111685635144 has 48 divisors (see below), whose sum is σ = 312239416320. Its totient is φ = 36027623520.

The previous prime is 111685635109. The next prime is 111685635151. The reversal of 111685635144 is 441536586111.

111685635144 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 8 + 5 + 635 + 1 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 111685635144.

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, 25016952 + ... + 25021415.

It is an arithmetic number, because the mean of its divisors is an integer number (6504987840).

Almost surely, 2^111685635144 is an apocalyptic number.

It is an amenable number.

111685635144 is an abundant number, since it is smaller than the sum of its proper divisors (200553781176).

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

111685635144 is a wasteful number, since it uses less digits than its factorization.

111685635144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50038410 (or 50038403 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 111685635144 in words is "one hundred eleven billion, six hundred eighty-five million, six hundred thirty-five thousand, one hundred forty-four".