12311065718 has 16 divisors (see below), whose sum is σ = 21116381184. Its totient is φ = 5273246760.

The previous prime is 12311065699. The next prime is 12311065733. The reversal of 12311065718 is 81756011321.

It is a super-2 number, since 2×12311065718² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217430 + ... + 268137.

It is an arithmetic number, because the mean of its divisors is an integer number (1319773824).

Almost surely, 2^12311065718 is an apocalyptic number.

12311065718 is a deficient number, since it is larger than the sum of its proper divisors (8805315466).

12311065718 is a wasteful number, since it uses less digits than its factorization.

12311065718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487387.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 12311065718 in words is "twelve billion, three hundred eleven million, sixty-five thousand, seven hundred eighteen".