11581940293416 has 64 divisors (see below), whose sum is σ = 32221324843200. Its totient is φ = 3854734547904.

The previous prime is 11581940293393. The next prime is 11581940293453. The reversal of 11581940293416 is 61439204918511.

11581940293416 is a `hidden beast` number, since 1 + 1 + 58 + 1 + 94 + 0 + 2 + 93 + 416 = 666.

11581940293416 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 (54).

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, 40915686 + ... + 41197781.

It is an arithmetic number, because the mean of its divisors is an integer number (503458200675).

Almost surely, 2^{11581940293416} is an apocalyptic number.

It is an amenable number.

11581940293416 is an abundant number, since it is smaller than the sum of its proper divisors (20639384549784).

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

11581940293416 is a wasteful number, since it uses less digits than its factorization.

11581940293416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82114135 (or 82114125 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 11581940293416 in words is "eleven trillion, five hundred eighty-one billion, nine hundred forty million, two hundred ninety-three thousand, four hundred sixteen".