11751668604 has 72 divisors (see below), whose sum is σ = 33022650752. Its totient is φ = 3499251840.

The previous prime is 11751668597. The next prime is 11751668639. The reversal of 11751668604 is 40686615711.

11751668604 is a `hidden beast` number, since 1 + 17 + 516 + 68 + 60 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11751668604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390499 + ... + 419514.

Almost surely, 2^11751668604 is an apocalyptic number.

It is an amenable number.

11751668604 is an abundant number, since it is smaller than the sum of its proper divisors (21270982148).

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

11751668604 is a wasteful number, since it uses less digits than its factorization.

11751668604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810067 (or 810062 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11751668604 in words is "eleven billion, seven hundred fifty-one million, six hundred sixty-eight thousand, six hundred four".