56013265266615 has 20 divisors (see below), whose sum is σ = 100408964404584. Its totient is φ = 29873741475312.

The previous prime is 56013265266589. The next prime is 56013265266617. The reversal of 56013265266615 is 51666256231065.

It is not a de Polignac number, because 56013265266615 - 2⁸ = 56013265266359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56013265266617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69152178937 + ... + 69152179746.

Almost surely, 2^{56013265266615} is an apocalyptic number.

56013265266615 is a deficient number, since it is larger than the sum of its proper divisors (44395699137969).

56013265266615 is a wasteful number, since it uses less digits than its factorization.

56013265266615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138304358700 (or 138304358691 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 56013265266615 in words is "fifty-six trillion, thirteen billion, two hundred sixty-five million, two hundred sixty-six thousand, six hundred fifteen".