25658341211 has 2 divisors, whose sum is σ = 25658341212. Its totient is φ = 25658341210.

The previous prime is 25658341199. The next prime is 25658341249. The reversal of 25658341211 is 11214385652.

It is an a-pointer prime, because the next prime (25658341249) can be obtained adding 25658341211 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25658341211 - 2³⁰ = 24584599387 is a prime.

It is not a weakly prime, because it can be changed into another prime (25658341711) 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, 12829170605 + 12829170606.

It is an arithmetic number, because the mean of its divisors is an integer number (12829170606).

Almost surely, 2^25658341211 is an apocalyptic number.

25658341211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25658341211 is an equidigital number, since it uses as much as digits as its factorization.

25658341211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 38.

The spelling of 25658341211 in words is "twenty-five billion, six hundred fifty-eight million, three hundred forty-one thousand, two hundred eleven".