56613800831665 has 16 divisors (see below), whose sum is σ = 84700127998080. Its totient is φ = 35291719998720.

The previous prime is 56613800831647. The next prime is 56613800831719.

56613800831665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56613800831665 - 2²⁵ = 56613767277233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73524416280 + ... + 73524417049.

It is an arithmetic number, because the mean of its divisors is an integer number (5293757999880).

Almost surely, 2^{56613800831665} is an apocalyptic number.

56613800831665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56613800831665 is a deficient number, since it is larger than the sum of its proper divisors (28086327166415).

56613800831665 is a wasteful number, since it uses less digits than its factorization.

56613800831665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147048833352.

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 56613800831665 in words is "fifty-six trillion, six hundred thirteen billion, eight hundred million, eight hundred thirty-one thousand, six hundred sixty-five".