11668353912 has 80 divisors (see below), whose sum is σ = 33170112360. Its totient is φ = 3831385536.

The previous prime is 11668353901. The next prime is 11668353941. The reversal of 11668353912 is 21935386611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90963 + ... + 177794.

Almost surely, 2^11668353912 is an apocalyptic number.

11668353912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11668353912 is an abundant number, since it is smaller than the sum of its proper divisors (21501758448).

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

11668353912 is a wasteful number, since it uses less digits than its factorization.

11668353912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268842 (or 268829 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 11668353912 in words is "eleven billion, six hundred sixty-eight million, three hundred fifty-three thousand, nine hundred twelve".