112639521051 has 20 divisors (see below), whose sum is σ = 168889525200. Its totient is φ = 74813843376.

The previous prime is 112639521011. The next prime is 112639521067. The reversal of 112639521051 is 150125936211.

It is a happy number.

112639521051 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 395 + 210 + 51 = 666.

It is not a de Polignac number, because 112639521051 - 2¹⁴ = 112639504667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112639520997 and 112639521015.

It is not an unprimeable number, because it can be changed into a prime (112639521011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2562991 + ... + 2606568.

It is an arithmetic number, because the mean of its divisors is an integer number (8444476260).

Almost surely, 2^112639521051 is an apocalyptic number.

112639521051 is a deficient number, since it is larger than the sum of its proper divisors (56250004149).

112639521051 is an equidigital number, since it uses as much as digits as its factorization.

112639521051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169840 (or 5169831 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The spelling of 112639521051 in words is "one hundred twelve billion, six hundred thirty-nine million, five hundred twenty-one thousand, fifty-one".