12515026706563 has 2 divisors, whose sum is σ = 12515026706564. Its totient is φ = 12515026706562.

The previous prime is 12515026706519. The next prime is 12515026706621. The reversal of 12515026706563 is 36560762051521.

It is a weak prime.

It is an emirp because it is prime and its reverse (36560762051521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12515026706563 - 2⁹ = 12515026706051 is a prime.

It is not a weakly prime, because it can be changed into another prime (12515026704563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6257513353281 + 6257513353282.

It is an arithmetic number, because the mean of its divisors is an integer number (6257513353282).

Almost surely, 2^{12515026706563} is an apocalyptic number.

12515026706563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12515026706563 is an equidigital number, since it uses as much as digits as its factorization.

12515026706563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 12515026706563 in words is "twelve trillion, five hundred fifteen billion, twenty-six million, seven hundred six thousand, five hundred sixty-three".