13111133120 has 56 divisors (see below), whose sum is σ = 31250436864. Its totient is φ = 5239489536.

The previous prime is 13111133089. The next prime is 13111133177. The reversal of 13111133120 is 2133111131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328994 + ... + 366686.

Almost surely, 2^13111133120 is an apocalyptic number.

13111133120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111133120 is an abundant number, since it is smaller than the sum of its proper divisors (18139303744).

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

13111133120 is a wasteful number, since it uses less digits than its factorization.

13111133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38797 (or 38787 counting only the distinct ones).

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

Adding to 13111133120 its reverse (2133111131), we get a palindrome (15244244251).

The spelling of 13111133120 in words is "thirteen billion, one hundred eleven million, one hundred thirty-three thousand, one hundred twenty".