113155 has 16 divisors (see below), whose sum is σ = 160704. Its totient is φ = 74880.

The previous prime is 113153. The next prime is 113159. The reversal of 113155 is 551311.

It is not a de Polignac number, because 113155 - 2¹ = 113153 is a prime.

It is a Duffinian number.

113155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (113153) 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, 1825 + ... + 1885.

It is an arithmetic number, because the mean of its divisors is an integer number (10044).

2¹¹³¹⁵⁵ is an apocalyptic number.

113155 is a deficient number, since it is larger than the sum of its proper divisors (47549).

113155 is an equidigital number, since it uses as much as digits as its factorization.

113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126.

The product of its digits is 75, while the sum is 16.

The square root of 113155 is about 336.3851958693. The cubic root of 113155 is about 48.3679762207.

Adding to 113155 its reverse (551311), we get a palindrome (664466).

The spelling of 113155 in words is "one hundred thirteen thousand, one hundred fifty-five".