13114320555520 has 160 divisors (see below), whose sum is σ = 32888744539200. Its totient is φ = 5005725204480.

The previous prime is 13114320555509. The next prime is 13114320555547. The reversal of 13114320555520 is 2555502341131.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 13114320555520.

It is a congruent number.

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, 24523956 + ... + 25053004.

It is an arithmetic number, because the mean of its divisors is an integer number (205554653370).

Almost surely, 2^{13114320555520} is an apocalyptic number.

13114320555520 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 13114320555520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16444372269600).

13114320555520 is an abundant number, since it is smaller than the sum of its proper divisors (19774423983680).

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

13114320555520 is an equidigital number, since it uses as much as digits as its factorization.

13114320555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529516 (or 529500 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 13114320555520 its reverse (2555502341131), we get a palindrome (15669822896651).

The spelling of 13114320555520 in words is "thirteen trillion, one hundred fourteen billion, three hundred twenty million, five hundred fifty-five thousand, five hundred twenty".