13180201056 has 144 divisors (see below), whose sum is σ = 42207879168. Its totient is φ = 3865132800.

The previous prime is 13180201019. The next prime is 13180201123. The reversal of 13180201056 is 65010208131.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31105 + ... + 165311.

It is an arithmetic number, because the mean of its divisors is an integer number (293110272).

Almost surely, 2^13180201056 is an apocalyptic number.

13180201056 is a gapful number since it is divisible by the number (16) 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 13180201056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21103939584).

13180201056 is an abundant number, since it is smaller than the sum of its proper divisors (29027678112).

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

13180201056 is a wasteful number, since it uses less digits than its factorization.

13180201056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134265 (or 134254 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 13180201056 its reverse (65010208131), we get a palindrome (78190409187).

The spelling of 13180201056 in words is "thirteen billion, one hundred eighty million, two hundred one thousand, fifty-six".