113105055 has 16 divisors (see below), whose sum is σ = 206820864. Its totient is φ = 51705120.

The previous prime is 113105051. The next prime is 113105071. The reversal of 113105055 is 550501311.

It is not a de Polignac number, because 113105055 - 2² = 113105051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113105051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538491 + ... + 538700.

It is an arithmetic number, because the mean of its divisors is an integer number (12926304).

Almost surely, 2^113105055 is an apocalyptic number.

113105055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113105055 is a deficient number, since it is larger than the sum of its proper divisors (93715809).

113105055 is a wasteful number, since it uses less digits than its factorization.

113105055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077206.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 113105055 is about 10635.0860363234. The cubic root of 113105055 is about 483.6085886230.

Adding to 113105055 its reverse (550501311), we get a palindrome (663606366).

The spelling of 113105055 in words is "one hundred thirteen million, one hundred five thousand, fifty-five".