11724726668 has 12 divisors (see below), whose sum is σ = 21725228952. Its totient is φ = 5517518400.

The previous prime is 11724726653. The next prime is 11724726677. The reversal of 11724726668 is 86662742711.

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, 86211158 + ... + 86211293.

It is an arithmetic number, because the mean of its divisors is an integer number (1810435746).

Almost surely, 2^11724726668 is an apocalyptic number.

It is an amenable number.

11724726668 is a deficient number, since it is larger than the sum of its proper divisors (10000502284).

11724726668 is a wasteful number, since it uses less digits than its factorization.

11724726668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172422472 (or 172422470 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The spelling of 11724726668 in words is "eleven billion, seven hundred twenty-four million, seven hundred twenty-six thousand, six hundred sixty-eight".