56115920586 has 32 divisors (see below), whose sum is σ = 123369371136. Its totient is φ = 16875014000.

The previous prime is 56115920569. The next prime is 56115920591. The reversal of 56115920586 is 68502951165.

56115920586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3236550 + ... + 3253841.

It is an arithmetic number, because the mean of its divisors is an integer number (3855292848).

Almost surely, 2^56115920586 is an apocalyptic number.

56115920586 is an abundant number, since it is smaller than the sum of its proper divisors (67253450550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56115920586 is a wasteful number, since it uses less digits than its factorization.

56115920586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490538.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 56115920586 in words is "fifty-six billion, one hundred fifteen million, nine hundred twenty thousand, five hundred eighty-six".