111660204158 has 16 divisors (see below), whose sum is σ = 167690428416. Its totient is φ = 55763426040.

The previous prime is 111660204157. The next prime is 111660204163. The reversal of 111660204158 is 851402066111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111660204157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12594035 + ... + 12602897.

It is an arithmetic number, because the mean of its divisors is an integer number (10480651776).

Almost surely, 2^111660204158 is an apocalyptic number.

111660204158 is a deficient number, since it is larger than the sum of its proper divisors (56030224258).

111660204158 is a wasteful number, since it uses less digits than its factorization.

111660204158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15679.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 111660204158 in words is "one hundred eleven billion, six hundred sixty million, two hundred four thousand, one hundred fifty-eight".