112513659217 has 4 divisors (see below), whose sum is σ = 112514969140. Its totient is φ = 112512349296.

The previous prime is 112513659173. The next prime is 112513659239. The reversal of 112513659217 is 712956315211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91775067136 + 20738592081 = 302944^2 + 144009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112513659217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112513659277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516342 + ... + 701167.

It is an arithmetic number, because the mean of its divisors is an integer number (28128742285).

Almost surely, 2^112513659217 is an apocalyptic number.

It is an amenable number.

112513659217 is a deficient number, since it is larger than the sum of its proper divisors (1309923).

112513659217 is an equidigital number, since it uses as much as digits as its factorization.

112513659217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309922.

The product of its digits is 113400, while the sum is 43.

The spelling of 112513659217 in words is "one hundred twelve billion, five hundred thirteen million, six hundred fifty-nine thousand, two hundred seventeen".