13180155552 has 36 divisors (see below), whose sum is σ = 37481068170. Its totient is φ = 4393385088.

The previous prime is 13180155551. The next prime is 13180155613. The reversal of 13180155552 is 25555108131.

13180155552 is a `hidden beast` number, since 13 + 1 + 80 + 15 + 5 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13179958416 + 197136 = 114804^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13180155551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22881927 + ... + 22882502.

Almost surely, 2^13180155552 is an apocalyptic number.

13180155552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13180155552 is an abundant number, since it is smaller than the sum of its proper divisors (24300912618).

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

13180155552 is a wasteful number, since it uses less digits than its factorization.

13180155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45764445 (or 45764434 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 13180155552 in words is "thirteen billion, one hundred eighty million, one hundred fifty-five thousand, five hundred fifty-two".