12548854279513 has 2 divisors, whose sum is σ = 12548854279514. Its totient is φ = 12548854279512.

The previous prime is 12548854279483. The next prime is 12548854279519. The reversal of 12548854279513 is 31597245884521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7188388367689 + 5360465911824 = 2681117^2 + 2315268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12548854279513 is a prime.

It is not a weakly prime, because it can be changed into another prime (12548854279519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274427139756 + 6274427139757.

It is an arithmetic number, because the mean of its divisors is an integer number (6274427139757).

Almost surely, 2^{12548854279513} is an apocalyptic number.

It is an amenable number.

12548854279513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12548854279513 is an equidigital number, since it uses as much as digits as its factorization.

12548854279513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768000, while the sum is 64.

The spelling of 12548854279513 in words is "twelve trillion, five hundred forty-eight billion, eight hundred fifty-four million, two hundred seventy-nine thousand, five hundred thirteen".