12573807557 has 2 divisors, whose sum is σ = 12573807558. Its totient is φ = 12573807556.

The previous prime is 12573807527. The next prime is 12573807581. The reversal of 12573807557 is 75570837521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12572912641 + 894916 = 112129^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 12573807557 - 2¹⁴ = 12573791173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12573807527) 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, 6286903778 + 6286903779.

It is an arithmetic number, because the mean of its divisors is an integer number (6286903779).

Almost surely, 2^12573807557 is an apocalyptic number.

It is an amenable number.

12573807557 is a deficient number, since it is larger than the sum of its proper divisors (1).

12573807557 is an equidigital number, since it uses as much as digits as its factorization.

12573807557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2058000, while the sum is 50.

The spelling of 12573807557 in words is "twelve billion, five hundred seventy-three million, eight hundred seven thousand, five hundred fifty-seven".