112639520997 has 16 divisors (see below), whose sum is σ = 167207800000. Its totient is φ = 74942518032.

The previous prime is 112639520969. The next prime is 112639521011. The reversal of 112639520997 is 799025936211.

112639520997 is a `hidden beast` number, since 1 + 1 + 26 + 3 + 9 + 520 + 9 + 97 = 666.

It is not a de Polignac number, because 112639520997 - 2⁶ = 112639520933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112639520927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4166722 + ... + 4193667.

It is an arithmetic number, because the mean of its divisors is an integer number (10450487500).

Almost surely, 2^112639520997 is an apocalyptic number.

It is an amenable number.

112639520997 is a deficient number, since it is larger than the sum of its proper divisors (54568279003).

112639520997 is an equidigital number, since it uses as much as digits as its factorization.

112639520997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360897 (or 8360891 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 112639520997 in words is "one hundred twelve billion, six hundred thirty-nine million, five hundred twenty thousand, nine hundred ninety-seven".