56976115806721 has 16 divisors (see below), whose sum is σ = 58776405601536. Its totient is φ = 55203280677376.

The previous prime is 56976115806713. The next prime is 56976115806749. The reversal of 56976115806721 is 12760851167965.

It is a cyclic number.

It is not a de Polignac number, because 56976115806721 - 2³ = 56976115806713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56976115801721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149816 + ... + 12848038.

It is an arithmetic number, because the mean of its divisors is an integer number (3673525350096).

Almost surely, 2^{56976115806721} is an apocalyptic number.

It is an amenable number.

56976115806721 is a deficient number, since it is larger than the sum of its proper divisors (1800289794815).

56976115806721 is a wasteful number, since it uses less digits than its factorization.

56976115806721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700632.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 56976115806721 in words is "fifty-six trillion, nine hundred seventy-six billion, one hundred fifteen million, eight hundred six thousand, seven hundred twenty-one".