12863144251 has 2 divisors, whose sum is σ = 12863144252. Its totient is φ = 12863144250.

The previous prime is 12863144221. The next prime is 12863144257. The reversal of 12863144251 is 15244136821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12863144251 - 2⁵ = 12863144219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12863144251.

It is not a weakly prime, because it can be changed into another prime (12863144257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431572125 + 6431572126.

It is an arithmetic number, because the mean of its divisors is an integer number (6431572126).

Almost surely, 2^12863144251 is an apocalyptic number.

12863144251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863144251 is an equidigital number, since it uses as much as digits as its factorization.

12863144251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The spelling of 12863144251 in words is "twelve billion, eight hundred sixty-three million, one hundred forty-four thousand, two hundred fifty-one".