11599491180 has 48 divisors (see below), whose sum is σ = 32576753664. Its totient is φ = 3083847360.

The previous prime is 11599491149. The next prime is 11599491193. The reversal of 11599491180 is 8119499511.

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, 272172 + ... + 311891.

It is an arithmetic number, because the mean of its divisors is an integer number (678682368).

Almost surely, 2^11599491180 is an apocalyptic number.

11599491180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11599491180 is an abundant number, since it is smaller than the sum of its proper divisors (20977262484).

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

11599491180 is a wasteful number, since it uses less digits than its factorization.

11599491180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584406 (or 584404 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 48.

The spelling of 11599491180 in words is "eleven billion, five hundred ninety-nine million, four hundred ninety-one thousand, one hundred eighty".