12526355362489 has 2 divisors, whose sum is σ = 12526355362490. Its totient is φ = 12526355362488.

The previous prime is 12526355362487. The next prime is 12526355362529. The reversal of 12526355362489 is 98426355362521.

12526355362489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12221421687225 + 304933675264 = 3495915^2 + 552208^2 .

It is a cyclic number.

It is not a de Polignac number, because 12526355362489 - 2¹ = 12526355362487 is a prime.

Together with 12526355362487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12526355362487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263177681244 + 6263177681245.

It is an arithmetic number, because the mean of its divisors is an integer number (6263177681245).

Almost surely, 2^{12526355362489} is an apocalyptic number.

It is an amenable number.

12526355362489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12526355362489 is an equidigital number, since it uses as much as digits as its factorization.

12526355362489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312000, while the sum is 61.

The spelling of 12526355362489 in words is "twelve trillion, five hundred twenty-six billion, three hundred fifty-five million, three hundred sixty-two thousand, four hundred eighty-nine".