12362520557 has 2 divisors, whose sum is σ = 12362520558. Its totient is φ = 12362520556.

The previous prime is 12362520517. The next prime is 12362520559. The reversal of 12362520557 is 75502526321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8615366761 + 3747153796 = 92819^2 + 61214^2 .

It is a cyclic number.

It is not a de Polignac number, because 12362520557 - 2¹⁸ = 12362258413 is a prime.

Together with 12362520559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12362520557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12362520559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6181260278 + 6181260279.

It is an arithmetic number, because the mean of its divisors is an integer number (6181260279).

Almost surely, 2^12362520557 is an apocalyptic number.

It is an amenable number.

12362520557 is a deficient number, since it is larger than the sum of its proper divisors (1).

12362520557 is an equidigital number, since it uses as much as digits as its factorization.

12362520557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 12362520557 in words is "twelve billion, three hundred sixty-two million, five hundred twenty thousand, five hundred fifty-seven".