68811168111564 has 24 divisors (see below), whose sum is σ = 160672223918080. Its totient is φ = 22920937228944.

The previous prime is 68811168111541. The next prime is 68811168111589. The reversal of 68811168111564 is 46511186111886.

68811168111564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014833244 + ... + 2014867395.

Almost surely, 2^{68811168111564} is an apocalyptic number.

It is an amenable number.

68811168111564 is an abundant number, since it is smaller than the sum of its proper divisors (91861055806516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68811168111564 is a wasteful number, since it uses less digits than its factorization.

68811168111564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029702069 (or 4029702067 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 57.

The spelling of 68811168111564 in words is "sixty-eight trillion, eight hundred eleven billion, one hundred sixty-eight million, one hundred eleven thousand, five hundred sixty-four".