11885198688 has 120 divisors (see below), whose sum is σ = 38131770600. Its totient is φ = 3601566720.

The previous prime is 11885198681. The next prime is 11885198707. The reversal of 11885198688 is 88689158811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885198681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 179913 + ... + 236936.

It is an arithmetic number, because the mean of its divisors is an integer number (317764755).

Almost surely, 2^11885198688 is an apocalyptic number.

11885198688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11885198688 is an abundant number, since it is smaller than the sum of its proper divisors (26246571912).

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

11885198688 is a wasteful number, since it uses less digits than its factorization.

11885198688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416882 (or 416865 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 63.

The spelling of 11885198688 in words is "eleven billion, eight hundred eighty-five million, one hundred ninety-eight thousand, six hundred eighty-eight".