12505251743 has 2 divisors, whose sum is σ = 12505251744. Its totient is φ = 12505251742.

The previous prime is 12505251709. The next prime is 12505251757. The reversal of 12505251743 is 34715250521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12505251743 - 2¹⁶ = 12505186207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12505251763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6252625871 + 6252625872.

It is an arithmetic number, because the mean of its divisors is an integer number (6252625872).

Almost surely, 2^12505251743 is an apocalyptic number.

12505251743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12505251743 is an equidigital number, since it uses as much as digits as its factorization.

12505251743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 12505251743 in words is "twelve billion, five hundred five million, two hundred fifty-one thousand, seven hundred forty-three".