11715604992 has 640 divisors, whose sum is σ = 43630540800. Its totient is φ = 3021815808.

The previous prime is 11715604937. The next prime is 11715604993. The reversal of 11715604992 is 29940651711.

11715604992 is a `hidden beast` number, since 1 + 1 + 7 + 156 + 0 + 499 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (11715604993) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84284859 + ... + 84284997.

It is an arithmetic number, because the mean of its divisors is an integer number (68172720).

Almost surely, 2^11715604992 is an apocalyptic number.

11715604992 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 11715604992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21815270400).

11715604992 is an abundant number, since it is smaller than the sum of its proper divisors (31914935808).

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

11715604992 is a wasteful number, since it uses less digits than its factorization.

11715604992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 11715604992 in words is "eleven billion, seven hundred fifteen million, six hundred four thousand, nine hundred ninety-two".