85281183481271 has 2 divisors, whose sum is σ = 85281183481272. Its totient is φ = 85281183481270.

The previous prime is 85281183481231. The next prime is 85281183481297. The reversal of 85281183481271 is 17218438118258.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85281183481271 - 2²⁶ = 85281116372407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85281183481271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85281183481231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42640591740635 + 42640591740636.

It is an arithmetic number, because the mean of its divisors is an integer number (42640591740636).

Almost surely, 2^{85281183481271} is an apocalyptic number.

85281183481271 is a deficient number, since it is larger than the sum of its proper divisors (1).

85281183481271 is an equidigital number, since it uses as much as digits as its factorization.

85281183481271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6881280, while the sum is 59.

The spelling of 85281183481271 in words is "eighty-five trillion, two hundred eighty-one billion, one hundred eighty-three million, four hundred eighty-one thousand, two hundred seventy-one".