11994141326520 has 64 divisors (see below), whose sum is σ = 36338685639840. Its totient is φ = 3166769984000.

The previous prime is 11994141326483. The next prime is 11994141326551. The reversal of 11994141326520 is 2562314149911.

It is a self number, because there is not a number n which added to its sum of digits gives 11994141326520.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494795691 + ... + 494819930.

Almost surely, 2^{11994141326520} is an apocalyptic number.

11994141326520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11994141326520 is an abundant number, since it is smaller than the sum of its proper divisors (24344544313320).

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

11994141326520 is a wasteful number, since it uses less digits than its factorization.

11994141326520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989615736 (or 989615732 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 11994141326520 in words is "eleven trillion, nine hundred ninety-four billion, one hundred forty-one million, three hundred twenty-six thousand, five hundred twenty".