25941843511 has 2 divisors, whose sum is σ = 25941843512. Its totient is φ = 25941843510.

The previous prime is 25941843509. The next prime is 25941843527. The reversal of 25941843511 is 11534814952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25941843511 - 2¹ = 25941843509 is a prime.

Together with 25941843509, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25941843611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970921755 + 12970921756.

It is an arithmetic number, because the mean of its divisors is an integer number (12970921756).

Almost surely, 2^25941843511 is an apocalyptic number.

25941843511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25941843511 is an equidigital number, since it uses as much as digits as its factorization.

25941843511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The spelling of 25941843511 in words is "twenty-five billion, nine hundred forty-one million, eight hundred forty-three thousand, five hundred eleven".