12445054125391 has 2 divisors, whose sum is σ = 12445054125392. Its totient is φ = 12445054125390.

The previous prime is 12445054125359. The next prime is 12445054125421. The reversal of 12445054125391 is 19352145054421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12445054125391 - 2⁵ = 12445054125359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12445054125991) 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, 6222527062695 + 6222527062696.

It is an arithmetic number, because the mean of its divisors is an integer number (6222527062696).

Almost surely, 2^{12445054125391} is an apocalyptic number.

12445054125391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12445054125391 is an equidigital number, since it uses as much as digits as its factorization.

12445054125391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 12445054125391 in words is "twelve trillion, four hundred forty-five billion, fifty-four million, one hundred twenty-five thousand, three hundred ninety-one".