25851367411799 has 2 divisors, whose sum is σ = 25851367411800. Its totient is φ = 25851367411798.

The previous prime is 25851367411741. The next prime is 25851367411813. The reversal of 25851367411799 is 99711476315852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25851367411799 - 2²⁸ = 25851098976343 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 (25851367411099) 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, 12925683705899 + 12925683705900.

It is an arithmetic number, because the mean of its divisors is an integer number (12925683705900).

Almost surely, 2^{25851367411799} is an apocalyptic number.

25851367411799 is a deficient number, since it is larger than the sum of its proper divisors (1).

25851367411799 is an equidigital number, since it uses as much as digits as its factorization.

25851367411799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 114307200, while the sum is 68.

The spelling of 25851367411799 in words is "twenty-five trillion, eight hundred fifty-one billion, three hundred sixty-seven million, four hundred eleven thousand, seven hundred ninety-nine".