12817607853527 has 2 divisors, whose sum is σ = 12817607853528. Its totient is φ = 12817607853526.

The previous prime is 12817607853481. The next prime is 12817607853593. The reversal of 12817607853527 is 72535870671821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12817607853527 - 2¹⁰ = 12817607852503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12817607853527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12817607855527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6408803926763 + 6408803926764.

It is an arithmetic number, because the mean of its divisors is an integer number (6408803926764).

Almost surely, 2^{12817607853527} is an apocalyptic number.

12817607853527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12817607853527 is an equidigital number, since it uses as much as digits as its factorization.

12817607853527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39513600, while the sum is 62.

The spelling of 12817607853527 in words is "twelve trillion, eight hundred seventeen billion, six hundred seven million, eight hundred fifty-three thousand, five hundred twenty-seven".