111670157555 has 16 divisors (see below), whose sum is σ = 147947675904. Its totient is φ = 80236166880.

The previous prime is 111670157537. The next prime is 111670157569. The reversal of 111670157555 is 555751076111.

It is not a de Polignac number, because 111670157555 - 2²⁰ = 111669108979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12226559 + ... + 12235688.

It is an arithmetic number, because the mean of its divisors is an integer number (9246729744).

Almost surely, 2^111670157555 is an apocalyptic number.

111670157555 is a deficient number, since it is larger than the sum of its proper divisors (36277518349).

111670157555 is a wasteful number, since it uses less digits than its factorization.

111670157555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24462346.

The product of its (nonzero) digits is 183750, while the sum is 44.

The spelling of 111670157555 in words is "one hundred eleven billion, six hundred seventy million, one hundred fifty-seven thousand, five hundred fifty-five".