12311065717 has 8 divisors (see below), whose sum is σ = 12387273440. Its totient is φ = 12235088880.

The previous prime is 12311065699. The next prime is 12311065733. The reversal of 12311065717 is 71756011321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311065717 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 (12311065747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49867 + ... + 164647.

It is an arithmetic number, because the mean of its divisors is an integer number (1548409180).

Almost surely, 2^12311065717 is an apocalyptic number.

It is an amenable number.

12311065717 is a deficient number, since it is larger than the sum of its proper divisors (76207723).

12311065717 is a wasteful number, since it uses less digits than its factorization.

12311065717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115443.

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 12311065717 in words is "twelve billion, three hundred eleven million, sixty-five thousand, seven hundred seventeen".