12560454899 has 2 divisors, whose sum is σ = 12560454900. Its totient is φ = 12560454898.

The previous prime is 12560454889. The next prime is 12560454901. The reversal of 12560454899 is 99845406521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12560454899 - 2¹² = 12560450803 is a prime.

Together with 12560454901, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12560454899.

It is not a weakly prime, because it can be changed into another prime (12560454889) 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, 6280227449 + 6280227450.

It is an arithmetic number, because the mean of its divisors is an integer number (6280227450).

Almost surely, 2^12560454899 is an apocalyptic number.

12560454899 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560454899 is an equidigital number, since it uses as much as digits as its factorization.

12560454899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 12560454899 in words is "twelve billion, five hundred sixty million, four hundred fifty-four thousand, eight hundred ninety-nine".