11718338612 has 12 divisors (see below), whose sum is σ = 21713392260. Its totient is φ = 5514512256.

The previous prime is 11718338603. The next prime is 11718338623. The reversal of 11718338612 is 21683381711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9503130256 + 2215208356 = 97484^2 + 47066^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11718338612.

It is a congruent number.

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, 86164187 + ... + 86164322.

It is an arithmetic number, because the mean of its divisors is an integer number (1809449355).

Almost surely, 2^11718338612 is an apocalyptic number.

It is an amenable number.

11718338612 is a deficient number, since it is larger than the sum of its proper divisors (9995053648).

11718338612 is a wasteful number, since it uses less digits than its factorization.

11718338612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172328530 (or 172328528 counting only the distinct ones).

The product of its digits is 48384, while the sum is 41.

The spelling of 11718338612 in words is "eleven billion, seven hundred eighteen million, three hundred thirty-eight thousand, six hundred twelve".