113616961 has 4 divisors (see below), whose sum is σ = 113926912. Its totient is φ = 113307012.

The previous prime is 113616929. The next prime is 113617003. The reversal of 113616961 is 169616311.

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 a cyclic number.

It is not a de Polignac number, because 113616961 - 2⁵ = 113616929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113616161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154425 + ... + 155158.

It is an arithmetic number, because the mean of its divisors is an integer number (28481728).

Almost surely, 2^113616961 is an apocalyptic number.

It is an amenable number.

113616961 is a deficient number, since it is larger than the sum of its proper divisors (309951).

113616961 is an equidigital number, since it uses as much as digits as its factorization.

113616961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309950.

The product of its digits is 5832, while the sum is 34.

The square root of 113616961 is about 10659.1257146166. The cubic root of 113616961 is about 484.3370841830.

The spelling of 113616961 in words is "one hundred thirteen million, six hundred sixteen thousand, nine hundred sixty-one".