56213831265 has 32 divisors (see below), whose sum is σ = 90294844800. Its totient is φ = 29863282176.

The previous prime is 56213831251. The next prime is 56213831273.

56213831265 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56213831265 - 2¹² = 56213827169 is a prime.

It is a Curzon 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, 8086011 + ... + 8092959.

It is an arithmetic number, because the mean of its divisors is an integer number (2821713900).

Almost surely, 2^56213831265 is an apocalyptic number.

It is an amenable number.

56213831265 is a deficient number, since it is larger than the sum of its proper divisors (34081013535).

56213831265 is a wasteful number, since it uses less digits than its factorization.

56213831265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8993.

The product of its digits is 259200, while the sum is 42.

The spelling of 56213831265 in words is "fifty-six billion, two hundred thirteen million, eight hundred thirty-one thousand, two hundred sixty-five".