113818501 has 4 divisors (see below), whose sum is σ = 116594604. Its totient is φ = 111042400.

The previous prime is 113818477. The next prime is 113818511. The reversal of 113818501 is 105818311.

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 36360900 + 77457601 = 6030^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 113818501 - 2⁷ = 113818373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113818501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113818511) 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, 1387990 + ... + 1388071.

It is an arithmetic number, because the mean of its divisors is an integer number (29148651).

Almost surely, 2^113818501 is an apocalyptic number.

It is an amenable number.

113818501 is a deficient number, since it is larger than the sum of its proper divisors (2776103).

113818501 is an equidigital number, since it uses as much as digits as its factorization.

113818501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776102.

The product of its (nonzero) digits is 960, while the sum is 28.

The square root of 113818501 is about 10668.5753969309. The cubic root of 113818501 is about 484.6232962492.

The spelling of 113818501 in words is "one hundred thirteen million, eight hundred eighteen thousand, five hundred one".