25577668082143 has 2 divisors, whose sum is σ = 25577668082144. Its totient is φ = 25577668082142.

The previous prime is 25577668082093. The next prime is 25577668082173. The reversal of 25577668082143 is 34128086677552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25577668082143 - 2²¹ = 25577665984991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25577668082173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12788834041071 + 12788834041072.

It is an arithmetic number, because the mean of its divisors is an integer number (12788834041072).

Almost surely, 2^{25577668082143} is an apocalyptic number.

25577668082143 is a deficient number, since it is larger than the sum of its proper divisors (1).

25577668082143 is an equidigital number, since it uses as much as digits as its factorization.

25577668082143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 25577668082143 in words is "twenty-five trillion, five hundred seventy-seven billion, six hundred sixty-eight million, eighty-two thousand, one hundred forty-three".