13110120720 has 120 divisors (see below), whose sum is σ = 45448495872. Its totient is φ = 3383251200.

The previous prime is 13110120701. The next prime is 13110120731. The reversal of 13110120720 is 2702101131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13110120693 and 13110120702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271366 + ... + 316005.

Almost surely, 2^13110120720 is an apocalyptic number.

13110120720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13110120720 is an abundant number, since it is smaller than the sum of its proper divisors (32338375152).

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

13110120720 is a wasteful number, since it uses less digits than its factorization.

13110120720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587421 (or 587412 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

Adding to 13110120720 its reverse (2702101131), we get a palindrome (15812221851).

The spelling of 13110120720 in words is "thirteen billion, one hundred ten million, one hundred twenty thousand, seven hundred twenty".