11976490320 has 160 divisors (see below), whose sum is σ = 38372793984. Its totient is φ = 3087974400.

The previous prime is 11976490313. The next prime is 11976490387. The reversal of 11976490320 is 2309467911.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106535 + ... + 1117305.

Almost surely, 2^11976490320 is an apocalyptic number.

11976490320 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 11976490320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19186396992).

11976490320 is an abundant number, since it is smaller than the sum of its proper divisors (26396303664).

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

11976490320 is a wasteful number, since it uses less digits than its factorization.

11976490320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10941 (or 10935 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 11976490320 in words is "eleven billion, nine hundred seventy-six million, four hundred ninety thousand, three hundred twenty".