11131113320 has 16 divisors (see below), whose sum is σ = 25045005060. Its totient is φ = 4452445312.

The previous prime is 11131113269. The next prime is 11131113359. The reversal of 11131113320 is 2331113111.

It can be written as a sum of positive squares in 2 ways, for example, as 11017861156 + 113252164 = 104966^2 + 10642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139138877 + ... + 139138956.

Almost surely, 2^11131113320 is an apocalyptic number.

11131113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131113320 is an abundant number, since it is smaller than the sum of its proper divisors (13913891740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131113320 is a wasteful number, since it uses less digits than its factorization.

11131113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278277844 (or 278277840 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11131113320 its reverse (2331113111), we get a palindrome (13462226431).

The spelling of 11131113320 in words is "eleven billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred twenty".