56500156616015 has 48 divisors (see below), whose sum is σ = 80935031469600. Its totient is φ = 37733533205760.

The previous prime is 56500156615993. The next prime is 56500156616017. The reversal of 56500156616015 is 51061665100565.

It is a de Polignac number, because none of the positive numbers 2^k-56500156616015 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56500156616017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4006796 + ... + 11360225.

It is an arithmetic number, because the mean of its divisors is an integer number (1686146488950).

Almost surely, 2^{56500156616015} is an apocalyptic number.

56500156616015 is a deficient number, since it is larger than the sum of its proper divisors (24434874853585).

56500156616015 is a wasteful number, since it uses less digits than its factorization.

56500156616015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367432 (or 15367425 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 56500156616015 in words is "fifty-six trillion, five hundred billion, one hundred fifty-six million, six hundred sixteen thousand, fifteen".