12850648871 has 2 divisors, whose sum is σ = 12850648872. Its totient is φ = 12850648870.

The previous prime is 12850648861. The next prime is 12850648933. The reversal of 12850648871 is 17884605821.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12850648871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12850648861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425324435 + 6425324436.

It is an arithmetic number, because the mean of its divisors is an integer number (6425324436).

Almost surely, 2^12850648871 is an apocalyptic number.

12850648871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12850648871 is an equidigital number, since it uses as much as digits as its factorization.

12850648871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 50.

The spelling of 12850648871 in words is "twelve billion, eight hundred fifty million, six hundred forty-eight thousand, eight hundred seventy-one".