12548854279391 has 2 divisors, whose sum is σ = 12548854279392. Its totient is φ = 12548854279390.

The previous prime is 12548854279373. The next prime is 12548854279397. The reversal of 12548854279391 is 19397245884521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12548854279391 - 2⁴² = 8150807768287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12548854279397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274427139695 + 6274427139696.

It is an arithmetic number, because the mean of its divisors is an integer number (6274427139696).

Almost surely, 2^{12548854279391} is an apocalyptic number.

12548854279391 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548854279391 is an equidigital number, since it uses as much as digits as its factorization.

12548854279391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174182400, while the sum is 68.

The spelling of 12548854279391 in words is "twelve trillion, five hundred forty-eight billion, eight hundred fifty-four million, two hundred seventy-nine thousand, three hundred ninety-one".