111364805120 has 80 divisors (see below), whose sum is σ = 270232079040. Its totient is φ = 44009140224.

The previous prime is 111364805099. The next prime is 111364805131. The reversal of 111364805120 is 21508463111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49580 + ... + 474539.

It is an arithmetic number, because the mean of its divisors is an integer number (3377900988).

Almost surely, 2^111364805120 is an apocalyptic number.

111364805120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111364805120 is an abundant number, since it is smaller than the sum of its proper divisors (158867273920).

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

111364805120 is an frugal number, since it uses more digits than its factorization.

111364805120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524225 (or 524209 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 111364805120 in words is "one hundred eleven billion, three hundred sixty-four million, eight hundred five thousand, one hundred twenty".