111684886290432 has 1680 divisors, whose sum is σ = 418780266933600. Its totient is φ = 29036950585344.

The previous prime is 111684886290413. The next prime is 111684886290443. The reversal of 111684886290432 is 234092688486111.

It is a happy number.

111684886290432 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 8 + 488 + 62 + 90 + 4 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 111684886290432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 57303686194 + ... + 57303688142.

Almost surely, 2^{111684886290432} is an apocalyptic number.

111684886290432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111684886290432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209390133466800).

111684886290432 is an abundant number, since it is smaller than the sum of its proper divisors (307095380643168).

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

111684886290432 is an equidigital number, since it uses as much as digits as its factorization.

111684886290432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 63.

The spelling of 111684886290432 in words is "one hundred eleven trillion, six hundred eighty-four billion, eight hundred eighty-six million, two hundred ninety thousand, four hundred thirty-two".