11766583138 has 8 divisors (see below), whose sum is σ = 18219225600. Its totient is φ = 5693507940.

The previous prime is 11766583117. The next prime is 11766583139. The reversal of 11766583138 is 83138566711.

11766583138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11766583091 and 11766583100.

It is not an unprimeable number, because it can be changed into a prime (11766583139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94891738 + ... + 94891861.

It is an arithmetic number, because the mean of its divisors is an integer number (2277403200).

Almost surely, 2^11766583138 is an apocalyptic number.

11766583138 is a deficient number, since it is larger than the sum of its proper divisors (6452642462).

11766583138 is a wasteful number, since it uses less digits than its factorization.

11766583138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189783632.

The product of its digits is 725760, while the sum is 49.

The spelling of 11766583138 in words is "eleven billion, seven hundred sixty-six million, five hundred eighty-three thousand, one hundred thirty-eight".