111890708912 has 20 divisors (see below), whose sum is σ = 217472132976. Its totient is φ = 55768868160.

The previous prime is 111890708899. The next prime is 111890708929. The reversal of 111890708912 is 219807098111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11025164 + ... + 11035307.

Almost surely, 2^111890708912 is an apocalyptic number.

It is an amenable number.

111890708912 is a deficient number, since it is larger than the sum of its proper divisors (105581424064).

111890708912 is a wasteful number, since it uses less digits than its factorization.

111890708912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22060796 (or 22060790 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 47.

The spelling of 111890708912 in words is "one hundred eleven billion, eight hundred ninety million, seven hundred eight thousand, nine hundred twelve".