11991704385396 has 48 divisors (see below), whose sum is σ = 28632493036224. Its totient is φ = 3904120824576.

The previous prime is 11991704385383. The next prime is 11991704385449. The reversal of 11991704385396 is 69358340719911.

11991704385396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 12922690 + ... + 13819526.

It is an arithmetic number, because the mean of its divisors is an integer number (596510271588).

Almost surely, 2^{11991704385396} is an apocalyptic number.

It is an amenable number.

11991704385396 is an abundant number, since it is smaller than the sum of its proper divisors (16640788650828).

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

11991704385396 is a wasteful number, since it uses less digits than its factorization.

11991704385396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922800 (or 922798 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 11991704385396 in words is "eleven trillion, nine hundred ninety-one billion, seven hundred four million, three hundred eighty-five thousand, three hundred ninety-six".