12756607532377 has 2 divisors, whose sum is σ = 12756607532378. Its totient is φ = 12756607532376.

The previous prime is 12756607532359. The next prime is 12756607532407. The reversal of 12756607532377 is 77323570665721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9005184746496 + 3751422785881 = 3000864^2 + 1936859^2 .

It is a cyclic number.

It is not a de Polignac number, because 12756607532377 - 2²⁷ = 12756473314649 is a prime.

It is a super-3 number, since 3×12756607532377³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (12756607532177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378303766188 + 6378303766189.

It is an arithmetic number, because the mean of its divisors is an integer number (6378303766189).

Almost surely, 2^{12756607532377} is an apocalyptic number.

It is an amenable number.

12756607532377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12756607532377 is an equidigital number, since it uses as much as digits as its factorization.

12756607532377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77792400, while the sum is 61.

The spelling of 12756607532377 in words is "twelve trillion, seven hundred fifty-six billion, six hundred seven million, five hundred thirty-two thousand, three hundred seventy-seven".