11585139188 has 48 divisors (see below), whose sum is σ = 23802240000. Its totient is φ = 4931650080.

The previous prime is 11585139179. The next prime is 11585139193. The reversal of 11585139188 is 88193158511.

11585139188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176093 + ... + 232763.

It is an arithmetic number, because the mean of its divisors is an integer number (495880000).

Almost surely, 2^11585139188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11585139188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11901120000).

11585139188 is an abundant number, since it is smaller than the sum of its proper divisors (12217100812).

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

11585139188 is a wasteful number, since it uses less digits than its factorization.

11585139188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56845 (or 56829 counting only the distinct ones).

The product of its digits is 345600, while the sum is 50.

The spelling of 11585139188 in words is "eleven billion, five hundred eighty-five million, one hundred thirty-nine thousand, one hundred eighty-eight".