111978286134 has 64 divisors (see below), whose sum is σ = 265523892480. Its totient is φ = 31035208320.

The previous prime is 111978286111. The next prime is 111978286183. The reversal of 111978286134 is 431682879111.

It is a super-3 number, since 3×111978286134³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505152 + ... + 692195.

It is an arithmetic number, because the mean of its divisors is an integer number (4148810820).

Almost surely, 2^111978286134 is an apocalyptic number.

111978286134 is an abundant number, since it is smaller than the sum of its proper divisors (153545606346).

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

111978286134 is a wasteful number, since it uses less digits than its factorization.

111978286134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197485.

The product of its digits is 580608, while the sum is 51.

The spelling of 111978286134 in words is "one hundred eleven billion, nine hundred seventy-eight million, two hundred eighty-six thousand, one hundred thirty-four".