11979528192 has 144 divisors (see below), whose sum is σ = 34717311720. Its totient is φ = 3979542528.

The previous prime is 11979528167. The next prime is 11979528203. The reversal of 11979528192 is 29182597911.

It is a happy number.

11979528192 is a `hidden beast` number, since 1 + 197 + 95 + 281 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6394968 + ... + 6396840.

Almost surely, 2^11979528192 is an apocalyptic number.

11979528192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11979528192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17358655860).

11979528192 is an abundant number, since it is smaller than the sum of its proper divisors (22737783528).

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

11979528192 is a wasteful number, since it uses less digits than its factorization.

11979528192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248 (or 2225 counting only the distinct ones).

The product of its digits is 816480, while the sum is 54.

The spelling of 11979528192 in words is "eleven billion, nine hundred seventy-nine million, five hundred twenty-eight thousand, one hundred ninety-two".