113131455155 has 8 divisors (see below), whose sum is σ = 135781103184. Its totient is φ = 90489592800.

The previous prime is 113131455119. The next prime is 113131455163. The reversal of 113131455155 is 551554131311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113131455155 - 2²⁰ = 113130406579 is a prime.

It is a super-2 number, since 2×113131455155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914401 + ... + 1972610.

It is an arithmetic number, because the mean of its divisors is an integer number (16972637898).

Almost surely, 2^113131455155 is an apocalyptic number.

113131455155 is a deficient number, since it is larger than the sum of its proper divisors (22649648029).

113131455155 is an equidigital number, since it uses as much as digits as its factorization.

113131455155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892837.

The product of its digits is 22500, while the sum is 35.

Adding to 113131455155 its reverse (551554131311), we get a palindrome (664685586466).

The spelling of 113131455155 in words is "one hundred thirteen billion, one hundred thirty-one million, four hundred fifty-five thousand, one hundred fifty-five".