56865264515 has 32 divisors (see below), whose sum is σ = 72774014976. Its totient is φ = 42556947840.

The previous prime is 56865264499. The next prime is 56865264551. The reversal of 56865264515 is 51546256865.

It is a happy number.

It is not a de Polignac number, because 56865264515 - 2⁴ = 56865264499 is a prime.

It is a Duffinian 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, 9407084 + ... + 9413126.

It is an arithmetic number, because the mean of its divisors is an integer number (2274187968).

Almost surely, 2^56865264515 is an apocalyptic number.

56865264515 is a deficient number, since it is larger than the sum of its proper divisors (15908750461).

56865264515 is a wasteful number, since it uses less digits than its factorization.

56865264515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7859.

The product of its digits is 8640000, while the sum is 53.

The spelling of 56865264515 in words is "fifty-six billion, eight hundred sixty-five million, two hundred sixty-four thousand, five hundred fifteen".