111533874066 has 24 divisors (see below), whose sum is σ = 241741600464. Its totient is φ = 37164900600.

The previous prime is 111533874019. The next prime is 111533874131. The reversal of 111533874066 is 660478335111.

111533874066 is a `hidden beast` number, since 1 + 11 + 533 + 8 + 7 + 40 + 66 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035376 + ... + 1138011.

It is an arithmetic number, because the mean of its divisors is an integer number (10072566686).

Almost surely, 2^111533874066 is an apocalyptic number.

111533874066 is an abundant number, since it is smaller than the sum of its proper divisors (130207726398).

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

111533874066 is a wasteful number, since it uses less digits than its factorization.

111533874066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176246 (or 2176243 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 111533874066 in words is "one hundred eleven billion, five hundred thirty-three million, eight hundred seventy-four thousand, sixty-six".