112111111520 has 24 divisors (see below), whose sum is σ = 264862501344. Its totient is φ = 44844444544.

The previous prime is 112111111499. The next prime is 112111111537. The reversal of 112111111520 is 25111111211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350347064 + ... + 350347383.

It is an arithmetic number, because the mean of its divisors is an integer number (11035937556).

Almost surely, 2^112111111520 is an apocalyptic number.

112111111520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111111520 is an abundant number, since it is smaller than the sum of its proper divisors (152751389824).

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

112111111520 is an equidigital number, since it uses as much as digits as its factorization.

112111111520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700694462 (or 700694454 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 112111111520 its reverse (25111111211), we get a palindrome (137222222731).

The spelling of 112111111520 in words is "one hundred twelve billion, one hundred eleven million, one hundred eleven thousand, five hundred twenty".