12311417338897 has 2 divisors, whose sum is σ = 12311417338898. Its totient is φ = 12311417338896.

The previous prime is 12311417338807. The next prime is 12311417338901. The reversal of 12311417338897 is 79883371411321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12022058336656 + 289359002241 = 3467284^2 + 537921^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311417338897 - 2³⁵ = 12277057600529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12311417338807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155708669448 + 6155708669449.

It is an arithmetic number, because the mean of its divisors is an integer number (6155708669449).

Almost surely, 2^{12311417338897} is an apocalyptic number.

It is an amenable number.

12311417338897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311417338897 is an equidigital number, since it uses as much as digits as its factorization.

12311417338897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 58.

The spelling of 12311417338897 in words is "twelve trillion, three hundred eleven billion, four hundred seventeen million, three hundred thirty-eight thousand, eight hundred ninety-seven".