112818517 has 16 divisors (see below), whose sum is σ = 133479424. Its totient is φ = 93409200.

The previous prime is 112818493. The next prime is 112818521. The reversal of 112818517 is 715818211.

It is a de Polignac number, because none of the positive numbers 2^k-112818517 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 (112818527) 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, 208267 + ... + 208807.

It is an arithmetic number, because the mean of its divisors is an integer number (8342464).

Almost surely, 2^112818517 is an apocalyptic number.

It is an amenable number.

112818517 is a deficient number, since it is larger than the sum of its proper divisors (20660907).

112818517 is an frugal number, since it uses more digits than its factorization.

112818517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 579 counting only the distinct ones).

The product of its digits is 4480, while the sum is 34.

The square root of 112818517 is about 10621.6061403161. The cubic root of 112818517 is about 483.1998552809.

The spelling of 112818517 in words is "one hundred twelve million, eight hundred eighteen thousand, five hundred seventeen".