12579150257 has 2 divisors, whose sum is σ = 12579150258. Its totient is φ = 12579150256.

The previous prime is 12579150247. The next prime is 12579150307. The reversal of 12579150257 is 75205197521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12295261456 + 283888801 = 110884^2 + 16849^2 .

It is a cyclic number.

It is not a de Polignac number, because 12579150257 - 2⁶ = 12579150193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12579150247) 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, 6289575128 + 6289575129.

It is an arithmetic number, because the mean of its divisors is an integer number (6289575129).

Almost surely, 2^12579150257 is an apocalyptic number.

It is an amenable number.

12579150257 is a deficient number, since it is larger than the sum of its proper divisors (1).

12579150257 is an equidigital number, since it uses as much as digits as its factorization.

12579150257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 12579150257 in words is "twelve billion, five hundred seventy-nine million, one hundred fifty thousand, two hundred fifty-seven".