112515817 has 2 divisors, whose sum is σ = 112515818. Its totient is φ = 112515816.

The previous prime is 112515811. The next prime is 112515841. The reversal of 112515817 is 718515211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106419856 + 6095961 = 10316^2 + 2469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112515817 is a prime.

It is not a weakly prime, because it can be changed into another prime (112515811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56257908 + 56257909.

It is an arithmetic number, because the mean of its divisors is an integer number (56257909).

Almost surely, 2^112515817 is an apocalyptic number.

It is an amenable number.

112515817 is a deficient number, since it is larger than the sum of its proper divisors (1).

112515817 is an equidigital number, since it uses as much as digits as its factorization.

112515817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 31.

The square root of 112515817 is about 10607.3473121229. The cubic root of 112515817 is about 482.7673151620.

The spelling of 112515817 in words is "one hundred twelve million, five hundred fifteen thousand, eight hundred seventeen".