56113605015 has 128 divisors (see below), whose sum is σ = 104248166400. Its totient is φ = 25527828480.

The previous prime is 56113605007. The next prime is 56113605019. The reversal of 56113605015 is 51050631165.

It is not a de Polignac number, because 56113605015 - 2³ = 56113605007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56113605019) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 98617651 + ... + 98618219.

It is an arithmetic number, because the mean of its divisors is an integer number (814438800).

Almost surely, 2^56113605015 is an apocalyptic number.

56113605015 is a deficient number, since it is larger than the sum of its proper divisors (48134561385).

56113605015 is a wasteful number, since it uses less digits than its factorization.

56113605015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 13500, while the sum is 33.

The spelling of 56113605015 in words is "fifty-six billion, one hundred thirteen million, six hundred five thousand, fifteen".