25910583933161 has 2 divisors, whose sum is σ = 25910583933162. Its totient is φ = 25910583933160.

The previous prime is 25910583933133. The next prime is 25910583933163. The reversal of 25910583933161 is 16133938501952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23334879923161 + 2575704010000 = 4830619^2 + 1604900^2 .

It is a cyclic number.

It is not a de Polignac number, because 25910583933161 - 2⁶ = 25910583933097 is a prime.

Together with 25910583933163, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25910583933097 and 25910583933106.

It is not a weakly prime, because it can be changed into another prime (25910583933163) 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, 12955291966580 + 12955291966581.

It is an arithmetic number, because the mean of its divisors is an integer number (12955291966581).

Almost surely, 2^{25910583933161} is an apocalyptic number.

It is an amenable number.

25910583933161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25910583933161 is an equidigital number, since it uses as much as digits as its factorization.

25910583933161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 25910583933161 in words is "twenty-five trillion, nine hundred ten billion, five hundred eighty-three million, nine hundred thirty-three thousand, one hundred sixty-one".