11788666839 has 6 divisors (see below), whose sum is σ = 17028074336. Its totient is φ = 7859111220.

The previous prime is 11788666823. The next prime is 11788666861. The reversal of 11788666839 is 93866688711.

It is not a de Polignac number, because 11788666839 - 2⁴ = 11788666823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11788666889) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 654925927 + ... + 654925944.

Almost surely, 2^11788666839 is an apocalyptic number.

11788666839 is a deficient number, since it is larger than the sum of its proper divisors (5239407497).

11788666839 is a wasteful number, since it uses less digits than its factorization.

11788666839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309851877 (or 1309851874 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 11788666839 in words is "eleven billion, seven hundred eighty-eight million, six hundred sixty-six thousand, eight hundred thirty-nine".