12553569140737 has 2 divisors, whose sum is σ = 12553569140738. Its totient is φ = 12553569140736.

The previous prime is 12553569140713. The next prime is 12553569140743. The reversal of 12553569140737 is 73704196535521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7482610110096 + 5070959030641 = 2735436^2 + 2251879^2 .

It is an emirp because it is prime and its reverse (73704196535521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12553569140737 - 2³⁹ = 12003813326849 is a prime.

It is not a weakly prime, because it can be changed into another prime (12553569140797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276784570368 + 6276784570369.

It is an arithmetic number, because the mean of its divisors is an integer number (6276784570369).

Almost surely, 2^{12553569140737} is an apocalyptic number.

It is an amenable number.

12553569140737 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553569140737 is an equidigital number, since it uses as much as digits as its factorization.

12553569140737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814000, while the sum is 58.

The spelling of 12553569140737 in words is "twelve trillion, five hundred fifty-three billion, five hundred sixty-nine million, one hundred forty thousand, seven hundred thirty-seven".