25741423561811 has 2 divisors, whose sum is σ = 25741423561812. Its totient is φ = 25741423561810.

The previous prime is 25741423561787. The next prime is 25741423561883. The reversal of 25741423561811 is 11816532414752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25741423561811 - 2¹⁸ = 25741423299667 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25741423561811.

It is not a weakly prime, because it can be changed into another prime (25741423563811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12870711780905 + 12870711780906.

It is an arithmetic number, because the mean of its divisors is an integer number (12870711780906).

Almost surely, 2^{25741423561811} is an apocalyptic number.

25741423561811 is a deficient number, since it is larger than the sum of its proper divisors (1).

25741423561811 is an equidigital number, since it uses as much as digits as its factorization.

25741423561811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 50.

The spelling of 25741423561811 in words is "twenty-five trillion, seven hundred forty-one billion, four hundred twenty-three million, five hundred sixty-one thousand, eight hundred eleven".