12755277317 has 2 divisors, whose sum is σ = 12755277318. Its totient is φ = 12755277316.

The previous prime is 12755277307. The next prime is 12755277389. The reversal of 12755277317 is 71377255721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10519784356 + 2235492961 = 102566^2 + 47281^2 .

It is a cyclic number.

It is not a de Polignac number, because 12755277317 - 2⁸ = 12755277061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12755277307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377638658 + 6377638659.

It is an arithmetic number, because the mean of its divisors is an integer number (6377638659).

Almost surely, 2^12755277317 is an apocalyptic number.

It is an amenable number.

12755277317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12755277317 is an equidigital number, since it uses as much as digits as its factorization.

12755277317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720300, while the sum is 47.

The spelling of 12755277317 in words is "twelve billion, seven hundred fifty-five million, two hundred seventy-seven thousand, three hundred seventeen".