113113553 has 4 divisors (see below), whose sum is σ = 129272640. Its totient is φ = 96954468.

The previous prime is 113113549. The next prime is 113113589. The reversal of 113113553 is 355311311.

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 113113553 - 2² = 113113549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113113523) 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, 8079533 + ... + 8079546.

It is an arithmetic number, because the mean of its divisors is an integer number (32318160).

Almost surely, 2^113113553 is an apocalyptic number.

It is an amenable number.

113113553 is a deficient number, since it is larger than the sum of its proper divisors (16159087).

113113553 is an equidigital number, since it uses as much as digits as its factorization.

113113553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16159086.

The product of its digits is 675, while the sum is 23.

The square root of 113113553 is about 10635.4855554413. The cubic root of 113113553 is about 483.6207000854.

Adding to 113113553 its reverse (355311311), we get a palindrome (468424864).

The spelling of 113113553 in words is "one hundred thirteen million, one hundred thirteen thousand, five hundred fifty-three".