11766087717 has 8 divisors (see below), whose sum is σ = 15714222720. Its totient is φ = 7831005600.

The previous prime is 11766087689. The next prime is 11766087733. The reversal of 11766087717 is 71778066711.

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

It is not a de Polignac number, because 11766087717 - 2⁸ = 11766087461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11766087717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766087757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261117 + ... + 3264722.

It is an arithmetic number, because the mean of its divisors is an integer number (1964277840).

Almost surely, 2^11766087717 is an apocalyptic number.

It is an amenable number.

11766087717 is a deficient number, since it is larger than the sum of its proper divisors (3948135003).

11766087717 is an equidigital number, since it uses as much as digits as its factorization.

11766087717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6526443.

The product of its (nonzero) digits is 691488, while the sum is 51.

The spelling of 11766087717 in words is "eleven billion, seven hundred sixty-six million, eighty-seven thousand, seven hundred seventeen".