12550253108369 has 2 divisors, whose sum is σ = 12550253108370. Its totient is φ = 12550253108368.

The previous prime is 12550253108333. The next prime is 12550253108413. The reversal of 12550253108369 is 96380135205521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10054131180625 + 2496121927744 = 3170825^2 + 1579912^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550253108369 - 2²⁸ = 12549984672913 is a prime.

It is a super-2 number, since 2×12550253108369² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12550253108969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275126554184 + 6275126554185.

It is an arithmetic number, because the mean of its divisors is an integer number (6275126554185).

Almost surely, 2^{12550253108369} is an apocalyptic number.

It is an amenable number.

12550253108369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550253108369 is an equidigital number, since it uses as much as digits as its factorization.

12550253108369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 12550253108369 in words is "twelve trillion, five hundred fifty billion, two hundred fifty-three million, one hundred eight thousand, three hundred sixty-nine".