11662719728784 has 20 divisors (see below), whose sum is σ = 30128692632816. Its totient is φ = 3887573242912.

The previous prime is 11662719728747. The next prime is 11662719728843. The reversal of 11662719728784 is 48782791726611.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121486663794 + ... + 121486663889.

Almost surely, 2^{11662719728784} is an apocalyptic number.

It is an amenable number.

11662719728784 is an abundant number, since it is smaller than the sum of its proper divisors (18465972904032).

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

11662719728784 is a wasteful number, since it uses less digits than its factorization.

11662719728784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242973327694 (or 242973327688 counting only the distinct ones).

The product of its digits is 113799168, while the sum is 69.

The spelling of 11662719728784 in words is "eleven trillion, six hundred sixty-two billion, seven hundred nineteen million, seven hundred twenty-eight thousand, seven hundred eighty-four".