56113564507 has 24 divisors (see below), whose sum is σ = 75912071648. Its totient is φ = 40361397120.

The previous prime is 56113564477. The next prime is 56113564609. The reversal of 56113564507 is 70546531165.

It is not a de Polignac number, because 56113564507 - 2²³ = 56105175899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56113564307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2537058 + ... + 2559079.

Almost surely, 2^56113564507 is an apocalyptic number.

56113564507 is a deficient number, since it is larger than the sum of its proper divisors (19798507141).

56113564507 is a wasteful number, since it uses less digits than its factorization.

56113564507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096179 (or 5096168 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 56113564507 in words is "fifty-six billion, one hundred thirteen million, five hundred sixty-four thousand, five hundred seven".