12315635263 has 2 divisors, whose sum is σ = 12315635264. Its totient is φ = 12315635262.

The previous prime is 12315635231. The next prime is 12315635317. The reversal of 12315635263 is 36253651321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12315635263 - 2⁵ = 12315635231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12315635663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157817631 + 6157817632.

It is an arithmetic number, because the mean of its divisors is an integer number (6157817632).

Almost surely, 2^12315635263 is an apocalyptic number.

12315635263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315635263 is an equidigital number, since it uses as much as digits as its factorization.

12315635263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The spelling of 12315635263 in words is "twelve billion, three hundred fifteen million, six hundred thirty-five thousand, two hundred sixty-three".