56678973611 has 16 divisors (see below), whose sum is σ = 61226494560. Its totient is φ = 52158435840.

The previous prime is 56678973599. The next prime is 56678973629. The reversal of 56678973611 is 11637987665.

It is a cyclic number.

It is not a de Polignac number, because 56678973611 - 2¹⁴ = 56678957227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56678973691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10828451 + ... + 10833683.

It is an arithmetic number, because the mean of its divisors is an integer number (3826655910).

Almost surely, 2^56678973611 is an apocalyptic number.

56678973611 is a deficient number, since it is larger than the sum of its proper divisors (4547520949).

56678973611 is a wasteful number, since it uses less digits than its factorization.

56678973611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646.

The product of its digits is 11430720, while the sum is 59.

The spelling of 56678973611 in words is "fifty-six billion, six hundred seventy-eight million, nine hundred seventy-three thousand, six hundred eleven".