12512507563 has 2 divisors, whose sum is σ = 12512507564. Its totient is φ = 12512507562.

The previous prime is 12512507503. The next prime is 12512507593. The reversal of 12512507563 is 36570521521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12512507563 - 2¹³ = 12512499371 is a prime.

It is not a weakly prime, because it can be changed into another prime (12512507503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256253781 + 6256253782.

It is an arithmetic number, because the mean of its divisors is an integer number (6256253782).

Almost surely, 2^12512507563 is an apocalyptic number.

12512507563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12512507563 is an equidigital number, since it uses as much as digits as its factorization.

12512507563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 12512507563 in words is "twelve billion, five hundred twelve million, five hundred seven thousand, five hundred sixty-three".