11893495188 has 96 divisors (see below), whose sum is σ = 29831155200. Its totient is φ = 3674750976.

The previous prime is 11893495169. The next prime is 11893495199. The reversal of 11893495188 is 88159439811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9169356 + ... + 9170652.

It is an arithmetic number, because the mean of its divisors is an integer number (310741200).

Almost surely, 2^11893495188 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 11893495188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14915577600).

11893495188 is an abundant number, since it is smaller than the sum of its proper divisors (17937660012).

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

11893495188 is a wasteful number, since it uses less digits than its factorization.

11893495188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1967 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 57.

The spelling of 11893495188 in words is "eleven billion, eight hundred ninety-three million, four hundred ninety-five thousand, one hundred eighty-eight".