25538680410211 has 2 divisors, whose sum is σ = 25538680410212. Its totient is φ = 25538680410210.

The previous prime is 25538680410121. The next prime is 25538680410251. The reversal of 25538680410211 is 11201408683552.

Together with previous prime (25538680410121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25538680410211 - 2¹⁹ = 25538679885923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25538680410251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12769340205105 + 12769340205106.

It is an arithmetic number, because the mean of its divisors is an integer number (12769340205106).

Almost surely, 2^{25538680410211} is an apocalyptic number.

25538680410211 is a deficient number, since it is larger than the sum of its proper divisors (1).

25538680410211 is an equidigital number, since it uses as much as digits as its factorization.

25538680410211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 25538680410211 in words is "twenty-five trillion, five hundred thirty-eight billion, six hundred eighty million, four hundred ten thousand, two hundred eleven".