11862791916 has 24 divisors (see below), whose sum is σ = 28268782080. Its totient is φ = 3870130512.

The previous prime is 11862791893. The next prime is 11862791921. The reversal of 11862791916 is 61919726811.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10516096 + ... + 10517223.

It is an arithmetic number, because the mean of its divisors is an integer number (1177865920).

Almost surely, 2^11862791916 is an apocalyptic number.

It is an amenable number.

11862791916 is an abundant number, since it is smaller than the sum of its proper divisors (16405990164).

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

11862791916 is a wasteful number, since it uses less digits than its factorization.

11862791916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21033373 (or 21033371 counting only the distinct ones).

The product of its digits is 326592, while the sum is 51.

The spelling of 11862791916 in words is "eleven billion, eight hundred sixty-two million, seven hundred ninety-one thousand, nine hundred sixteen".