### Properties of the number 7225372726543:

7225372726541 and 7225372726543 form a twin prime pair.7225372726543 has 21 antidivisors and 7225372726542 totatives.

7225372726543 has a semiprime digit sum 55 in base 10.

7225372726543 has a Fibonacci digit sum 55 in base 10.

7225372726543 has a triangular digit sum 55 in base 10.

7225372726543 = 3612686363272

^{2}- 3612686363271

^{2}is the difference of 2 nonnegative squares in 1 way.

7225372726543 is the difference of 2 positive pentagonal numbers in 1 way.

7225372726543 is not the sum of 3 positive squares.

7225372726543

^{2}is the sum of 3 positive squares.

7225372726543 is a divisor of 449

^{26078541}- 1.

7225372726543 is an emirp in (at least) the following bases: 26, 39, 42, 45, 52, 66, 77, 79, 89, 90, and 95.

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