12316011791 has 4 divisors (see below), whose sum is σ = 12316274784. Its totient is φ = 12315748800.

The previous prime is 12316011737. The next prime is 12316011803. The reversal of 12316011791 is 19711061321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19711061321 = 7 ⋅2815865903.

It is a cyclic number.

It is not a de Polignac number, because 12316011791 - 2¹⁸ = 12315749647 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 (12316001791) 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, 40055 + ... + 161976.

It is an arithmetic number, because the mean of its divisors is an integer number (3079068696).

Almost surely, 2^12316011791 is an apocalyptic number.

12316011791 is a deficient number, since it is larger than the sum of its proper divisors (262993).

12316011791 is an equidigital number, since it uses as much as digits as its factorization.

12316011791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262992.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 12316011791 in words is "twelve billion, three hundred sixteen million, eleven thousand, seven hundred ninety-one".