11131113115 has 24 divisors (see below), whose sum is σ = 14171213952. Its totient is φ = 8384567040.

The previous prime is 11131113109. The next prime is 11131113127. The reversal of 11131113115 is 51131113111.

It is not a de Polignac number, because 11131113115 - 2⁷ = 11131112987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131113092 and 11131113101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185967 + ... + 238423.

It is an arithmetic number, because the mean of its divisors is an integer number (590467248).

Almost surely, 2^11131113115 is an apocalyptic number.

11131113115 is a deficient number, since it is larger than the sum of its proper divisors (3040100837).

11131113115 is an equidigital number, since it uses as much as digits as its factorization.

11131113115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52567 (or 52530 counting only the distinct ones).

The product of its digits is 45, while the sum is 19.

Adding to 11131113115 its reverse (51131113111), we get a palindrome (62262226226).

The spelling of 11131113115 in words is "eleven billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred fifteen".