11968232320 has 128 divisors (see below), whose sum is σ = 31442968800. Its totient is φ = 4319969280.

The previous prime is 11968232291. The next prime is 11968232323. The reversal of 11968232320 is 2323286911.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 11968232320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968232323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958276 + ... + 970684.

Almost surely, 2^11968232320 is an apocalyptic number.

11968232320 is a gapful number since it is divisible by the number (10) 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 11968232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15721484400).

11968232320 is an abundant number, since it is smaller than the sum of its proper divisors (19474736480).

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

11968232320 is a wasteful number, since it uses less digits than its factorization.

11968232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576 (or 12564 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 11968232320 in words is "eleven billion, nine hundred sixty-eight million, two hundred thirty-two thousand, three hundred twenty".