56560374675149 has 2 divisors, whose sum is σ = 56560374675150. Its totient is φ = 56560374675148.

The previous prime is 56560374675107. The next prime is 56560374675173. The reversal of 56560374675149 is 94157647306565.

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., 52903904079049 + 3656470596100 = 7273507^2 + 1912190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56560374675149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56560374675449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28280187337574 + 28280187337575.

It is an arithmetic number, because the mean of its divisors is an integer number (28280187337575).

Almost surely, 2^{56560374675149} is an apocalyptic number.

It is an amenable number.

56560374675149 is a deficient number, since it is larger than the sum of its proper divisors (1).

56560374675149 is an equidigital number, since it uses as much as digits as its factorization.

56560374675149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536000, while the sum is 68.

The spelling of 56560374675149 in words is "fifty-six trillion, five hundred sixty billion, three hundred seventy-four million, six hundred seventy-five thousand, one hundred forty-nine".