13111303032120 has 128 divisors (see below), whose sum is σ = 39572637350400. Its totient is φ = 3475187249664.

The previous prime is 13111303032073. The next prime is 13111303032151. The reversal of 13111303032120 is 2123030311131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13512186 + ... + 14449974.

It is an arithmetic number, because the mean of its divisors is an integer number (309161229300).

Almost surely, 2^{13111303032120} is an apocalyptic number.

13111303032120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13111303032120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19786318675200).

13111303032120 is an abundant number, since it is smaller than the sum of its proper divisors (26461334318280).

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

13111303032120 is a wasteful number, since it uses less digits than its factorization.

13111303032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938509 (or 938505 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13111303032120 its reverse (2123030311131), we get a palindrome (15234333343251).

The spelling of 13111303032120 in words is "thirteen trillion, one hundred eleven billion, three hundred three million, thirty-two thousand, one hundred twenty".