113157517 has 4 divisors (see below), whose sum is σ = 123444576. Its totient is φ = 102870460.

The previous prime is 113157509. The next prime is 113157563. The reversal of 113157517 is 715751311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113157517 - 2³ = 113157509 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113157017) 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, 5143513 + ... + 5143534.

It is an arithmetic number, because the mean of its divisors is an integer number (30861144).

Almost surely, 2^113157517 is an apocalyptic number.

It is an amenable number.

113157517 is a deficient number, since it is larger than the sum of its proper divisors (10287059).

113157517 is a wasteful number, since it uses less digits than its factorization.

113157517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287058.

The product of its digits is 3675, while the sum is 31.

The square root of 113157517 is about 10637.5522090376. The cubic root of 113157517 is about 483.6833484768.

The spelling of 113157517 in words is "one hundred thirteen million, one hundred fifty-seven thousand, five hundred seventeen".