12766352178953 has 2 divisors, whose sum is σ = 12766352178954. Its totient is φ = 12766352178952.

The previous prime is 12766352178941. The next prime is 12766352178991. The reversal of 12766352178953 is 35987125366721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12600419785849 + 165932393104 = 3549707^2 + 407348^2 .

It is a cyclic number.

It is not a de Polignac number, because 12766352178953 - 2¹⁸ = 12766351916809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12766352178953.

It is not a weakly prime, because it can be changed into another prime (12766352178053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6383176089476 + 6383176089477.

It is an arithmetic number, because the mean of its divisors is an integer number (6383176089477).

Almost surely, 2^{12766352178953} is an apocalyptic number.

It is an amenable number.

12766352178953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12766352178953 is an equidigital number, since it uses as much as digits as its factorization.

12766352178953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 65.

The spelling of 12766352178953 in words is "twelve trillion, seven hundred sixty-six billion, three hundred fifty-two million, one hundred seventy-eight thousand, nine hundred fifty-three".