113117553 has 10 divisors (see below), whose sum is σ = 168978194. Its totient is φ = 75411648.

The previous prime is 113117551. The next prime is 113117567. The reversal of 113117553 is 355711311.

It can be written as a sum of positive squares in only one way, i.e., 88792929 + 24324624 = 9423^2 + 4932^2 .

It is not a de Polignac number, because 113117553 - 2¹ = 113117551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113117551) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 698176 + ... + 698337.

Almost surely, 2^113117553 is an apocalyptic number.

It is an amenable number.

113117553 is a deficient number, since it is larger than the sum of its proper divisors (55860641).

113117553 is an equidigital number, since it uses as much as digits as its factorization.

113117553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396525 (or 1396516 counting only the distinct ones).

The product of its digits is 1575, while the sum is 27.

The square root of 113117553 is about 10635.6736034912. The cubic root of 113117553 is about 483.6264007285.

Adding to 113117553 its reverse (355711311), we get a palindrome (468828864).

The spelling of 113117553 in words is "one hundred thirteen million, one hundred seventeen thousand, five hundred fifty-three".