12955766745745 has 16 divisors (see below), whose sum is σ = 15841872324432. Its totient is φ = 10168018432000.

The previous prime is 12955766745739. The next prime is 12955766745773. The reversal of 12955766745745 is 54754766755921.

It is a Cunningham number, because it is equal to 3599412²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 189559227456 + 12766207518289 = 435384^2 + 3572983^2 .

It is not a de Polignac number, because 12955766745745 - 2²⁹ = 12955229874833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119745 + ... + 5091745.

It is an arithmetic number, because the mean of its divisors is an integer number (990117020277).

Almost surely, 2^{12955766745745} is an apocalyptic number.

It is an amenable number.

12955766745745 is a deficient number, since it is larger than the sum of its proper divisors (2886105578687).

12955766745745 is an equidigital number, since it uses as much as digits as its factorization.

12955766745745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981892.

The product of its digits is 2222640000, while the sum is 73.

The spelling of 12955766745745 in words is "twelve trillion, nine hundred fifty-five billion, seven hundred sixty-six million, seven hundred forty-five thousand, seven hundred forty-five".