111228624372 has 48 divisors (see below), whose sum is σ = 265164705792. Its totient is φ = 36272394720.

The previous prime is 111228624349. The next prime is 111228624373. The reversal of 111228624372 is 273426822111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111228624372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111228624373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372297 + ... + 1451087.

It is an arithmetic number, because the mean of its divisors is an integer number (5524264704).

Almost surely, 2^111228624372 is an apocalyptic number.

111228624372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111228624372 is an abundant number, since it is smaller than the sum of its proper divisors (153936081420).

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

111228624372 is a wasteful number, since it uses less digits than its factorization.

111228624372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81348 (or 81346 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The spelling of 111228624372 in words is "one hundred eleven billion, two hundred twenty-eight million, six hundred twenty-four thousand, three hundred seventy-two".