111901418812 has 12 divisors (see below), whose sum is σ = 195837403216. Its totient is φ = 55947875040.

The previous prime is 111901418801. The next prime is 111901418813. The reversal of 111901418812 is 218814109111.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111901418813) by changing a digit.

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, 618489 + ... + 778672.

Almost surely, 2^111901418812 is an apocalyptic number.

It is an amenable number.

111901418812 is a deficient number, since it is larger than the sum of its proper divisors (83935984404).

111901418812 is a wasteful number, since it uses less digits than its factorization.

111901418812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417188 (or 1417186 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 37.

The spelling of 111901418812 in words is "one hundred eleven billion, nine hundred one million, four hundred eighteen thousand, eight hundred twelve".