113555531342155 has 32 divisors (see below), whose sum is σ = 167022804556800. Its totient is φ = 72376548596352.

The previous prime is 113555531342147. The next prime is 113555531342177. The reversal of 113555531342155 is 551243135555311.

It is not a de Polignac number, because 113555531342155 - 2³ = 113555531342147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113555531342099 and 113555531342108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1610910015 + ... + 1610980504.

It is an arithmetic number, because the mean of its divisors is an integer number (5219462642400).

Almost surely, 2^{113555531342155} is an apocalyptic number.

113555531342155 is a deficient number, since it is larger than the sum of its proper divisors (53467273214645).

113555531342155 is a wasteful number, since it uses less digits than its factorization.

113555531342155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221890603.

The product of its digits is 3375000, while the sum is 49.

Adding to 113555531342155 its reverse (551243135555311), we get a palindrome (664798666897466).

The spelling of 113555531342155 in words is "one hundred thirteen trillion, five hundred fifty-five billion, five hundred thirty-one million, three hundred forty-two thousand, one hundred fifty-five".