113861517 has 32 divisors (see below), whose sum is σ = 189941760. Its totient is φ = 58941120.

The previous prime is 113861491. The next prime is 113861521. The reversal of 113861517 is 715168311.

It is not a de Polignac number, because 113861517 - 2⁸ = 113861261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113861557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82243 + ... + 83615.

It is an arithmetic number, because the mean of its divisors is an integer number (5935680).

Almost surely, 2^113861517 is an apocalyptic number.

It is an amenable number.

113861517 is a deficient number, since it is larger than the sum of its proper divisors (76080243).

113861517 is a wasteful number, since it uses less digits than its factorization.

113861517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 5040, while the sum is 33.

The square root of 113861517 is about 10670.5912207337. The cubic root of 113861517 is about 484.6843406016.

The spelling of 113861517 in words is "one hundred thirteen million, eight hundred sixty-one thousand, five hundred seventeen".