11990955045888 has 2112 divisors, whose sum is σ = 47587723223040. Its totient is φ = 2927315386368.

The previous prime is 11990955045871. The next prime is 11990955045919. The reversal of 11990955045888 is 88854055909911.

11990955045888 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 0 + 95 + 5 + 0 + 458 + 88 = 666.

11990955045888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20220834520 + ... + 20220835112.

It is an arithmetic number, because the mean of its divisors is an integer number (22532065920).

Almost surely, 2^{11990955045888} is an apocalyptic number.

11990955045888 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 11990955045888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23793861611520).

11990955045888 is an abundant number, since it is smaller than the sum of its proper divisors (35596768177152).

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

11990955045888 is a wasteful number, since it uses less digits than its factorization.

11990955045888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 72.

The spelling of 11990955045888 in words is "eleven trillion, nine hundred ninety billion, nine hundred fifty-five million, forty-five thousand, eight hundred eighty-eight".