11489423980320 has 1728 divisors, whose sum is σ = 48961578556800. Its totient is φ = 2425335644160.

The previous prime is 11489423980319. The next prime is 11489423980337. The reversal of 11489423980320 is 2308932498411.

11489423980320 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 9 + 4 + 239 + 80 + 320 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 20192308996 + ... + 20192309564.

It is an arithmetic number, because the mean of its divisors is an integer number (28334246850).

Almost surely, 2^{11489423980320} is an apocalyptic number.

11489423980320 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 11489423980320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24480789278400).

11489423980320 is an abundant number, since it is smaller than the sum of its proper divisors (37472154576480).

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

11489423980320 is a wasteful number, since it uses less digits than its factorization.

11489423980320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 11489423980320 in words is "eleven trillion, four hundred eighty-nine billion, four hundred twenty-three million, nine hundred eighty thousand, three hundred twenty".