11819938716 has 48 divisors (see below), whose sum is σ = 30650215680. Its totient is φ = 3939217200.

The previous prime is 11819938709. The next prime is 11819938727. The reversal of 11819938716 is 61783991811.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 960595 + ... + 972821.

It is an arithmetic number, because the mean of its divisors is an integer number (638546160).

Almost surely, 2^11819938716 is an apocalyptic number.

It is an amenable number.

11819938716 is an abundant number, since it is smaller than the sum of its proper divisors (18830276964).

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

11819938716 is a wasteful number, since it uses less digits than its factorization.

11819938716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191 (or 21183 counting only the distinct ones).

The product of its digits is 653184, while the sum is 54.

The spelling of 11819938716 in words is "eleven billion, eight hundred nineteen million, nine hundred thirty-eight thousand, seven hundred sixteen".