11580620168 has 16 divisors (see below), whose sum is σ = 23383944780. Its totient is φ = 5344901568.

The previous prime is 11580620153. The next prime is 11580620197. The reversal of 11580620168 is 86102608511.

It can be written as a sum of positive squares in 2 ways, for example, as 8368224484 + 3212395684 = 91478^2 + 56678^2 .

It is a super-2 number, since 2×11580620168² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55675955 + ... + 55676162.

Almost surely, 2^11580620168 is an apocalyptic number.

It is an amenable number.

11580620168 is an abundant number, since it is smaller than the sum of its proper divisors (11803324612).

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

11580620168 is a wasteful number, since it uses less digits than its factorization.

11580620168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111352136 (or 111352132 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 11580620168 in words is "eleven billion, five hundred eighty million, six hundred twenty thousand, one hundred sixty-eight".