56610862815 has 32 divisors (see below), whose sum is σ = 100691490816. Its totient is φ = 26970929280.

The previous prime is 56610862771. The next prime is 56610862823. The reversal of 56610862815 is 51826801665.

It is not a de Polignac number, because 56610862815 - 2⁷ = 56610862687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4676409 + ... + 4688498.

It is an arithmetic number, because the mean of its divisors is an integer number (3146609088).

Almost surely, 2^56610862815 is an apocalyptic number.

56610862815 is a deficient number, since it is larger than the sum of its proper divisors (44080628001).

56610862815 is a wasteful number, since it uses less digits than its factorization.

56610862815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364959.

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 56610862815 in words is "fifty-six billion, six hundred ten million, eight hundred sixty-two thousand, eight hundred fifteen".