11996371008 has 84 divisors (see below), whose sum is σ = 34432939008. Its totient is φ = 3993265920.

The previous prime is 11996371001. The next prime is 11996371021. The reversal of 11996371008 is 80017369911.

11996371008 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 637 + 1 + 0 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (11996371001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413953 + ... + 441983.

Almost surely, 2^11996371008 is an apocalyptic number.

11996371008 is a gapful number since it is divisible by the number (18) 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 11996371008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17216469504).

11996371008 is an abundant number, since it is smaller than the sum of its proper divisors (22436568000).

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

11996371008 is a wasteful number, since it uses less digits than its factorization.

11996371008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28792 (or 28779 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 11996371008 in words is "eleven billion, nine hundred ninety-six million, three hundred seventy-one thousand, eight".