11131113311 has 4 divisors (see below), whose sum is σ = 11716961400. Its totient is φ = 10545265224.

The previous prime is 11131113269. The next prime is 11131113359. The reversal of 11131113311 is 11331113111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11131113311 - 2²² = 11126919007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131113311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131113911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292924016 + ... + 292924053.

It is an arithmetic number, because the mean of its divisors is an integer number (2929240350).

Almost surely, 2^11131113311 is an apocalyptic number.

11131113311 is a deficient number, since it is larger than the sum of its proper divisors (585848089).

11131113311 is an equidigital number, since it uses as much as digits as its factorization.

11131113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585848088.

The product of its digits is 27, while the sum is 17.

Adding to 11131113311 its reverse (11331113111), we get a palindrome (22462226422).

The spelling of 11131113311 in words is "eleven billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred eleven".