13155556162 has 12 divisors (see below), whose sum is σ = 22955103270. Its totient is φ = 5638095456.

The previous prime is 13155556111. The next prime is 13155556177. The reversal of 13155556162 is 26165555131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12886563361 + 268992801 = 113519^2 + 16401^2 .

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 5 ways as a sum of consecutive naturals, for example, 67120087 + ... + 67120282.

Almost surely, 2^13155556162 is an apocalyptic number.

13155556162 is a deficient number, since it is larger than the sum of its proper divisors (9799547108).

13155556162 is a wasteful number, since it uses less digits than its factorization.

13155556162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134240385 (or 134240378 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The spelling of 13155556162 in words is "thirteen billion, one hundred fifty-five million, five hundred fifty-six thousand, one hundred sixty-two".