12553266235457 has 2 divisors, whose sum is σ = 12553266235458. Its totient is φ = 12553266235456.

The previous prime is 12553266235403. The next prime is 12553266235469. The reversal of 12553266235457 is 75453266235521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11568916518721 + 984349716736 = 3401311^2 + 992144^2 .

It is a cyclic number.

It is not a de Polignac number, because 12553266235457 - 2²⁰ = 12553265186881 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553266235957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276633117728 + 6276633117729.

It is an arithmetic number, because the mean of its divisors is an integer number (6276633117729).

Almost surely, 2^{12553266235457} is an apocalyptic number.

It is an amenable number.

12553266235457 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553266235457 is an equidigital number, since it uses as much as digits as its factorization.

12553266235457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360000, while the sum is 56.

The spelling of 12553266235457 in words is "twelve trillion, five hundred fifty-three billion, two hundred sixty-six million, two hundred thirty-five thousand, four hundred fifty-seven".