11719672320 has 80 divisors (see below), whose sum is σ = 37466352000. Its totient is φ = 3125243904.

The previous prime is 11719672303. The next prime is 11719672369. The reversal of 11719672320 is 2327691711.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755320 + ... + 770679.

It is an arithmetic number, because the mean of its divisors is an integer number (468329400).

Almost surely, 2^11719672320 is an apocalyptic number.

11719672320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11719672320 is an abundant number, since it is smaller than the sum of its proper divisors (25746679680).

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

11719672320 is an equidigital number, since it uses as much as digits as its factorization.

11719672320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526025 (or 1526009 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The spelling of 11719672320 in words is "eleven billion, seven hundred nineteen million, six hundred seventy-two thousand, three hundred twenty".