11131130120 has 64 divisors (see below), whose sum is σ = 28929052800. Its totient is φ = 3809582080.

The previous prime is 11131130111. The next prime is 11131130177. The reversal of 11131130120 is 2103113111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11131130095 and 11131130104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736580 + ... + 751539.

It is an arithmetic number, because the mean of its divisors is an integer number (452016450).

Almost surely, 2^11131130120 is an apocalyptic number.

11131130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131130120 is an abundant number, since it is smaller than the sum of its proper divisors (17797922680).

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

11131130120 is a wasteful number, since it uses less digits than its factorization.

11131130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488158 (or 1488154 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11131130120 its reverse (2103113111), we get a palindrome (13234243231).

The spelling of 11131130120 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, one hundred twenty".