56745607121297 has 2 divisors, whose sum is σ = 56745607121298. Its totient is φ = 56745607121296.

The previous prime is 56745607121233. The next prime is 56745607121309. The reversal of 56745607121297 is 79212170654765.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31007345843776 + 25738261277521 = 5568424^2 + 5073289^2 .

It is a cyclic number.

It is not a de Polignac number, because 56745607121297 - 2⁶ = 56745607121233 is a prime.

It is not a weakly prime, because it can be changed into another prime (56745607121597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28372803560648 + 28372803560649.

It is an arithmetic number, because the mean of its divisors is an integer number (28372803560649).

Almost surely, 2^{56745607121297} is an apocalyptic number.

It is an amenable number.

56745607121297 is a deficient number, since it is larger than the sum of its proper divisors (1).

56745607121297 is an equidigital number, since it uses as much as digits as its factorization.

56745607121297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 56745607121297 in words is "fifty-six trillion, seven hundred forty-five billion, six hundred seven million, one hundred twenty-one thousand, two hundred ninety-seven".