871034855241725 has 6 divisors (see below), whose sum is σ = 1080083220499770. Its totient is φ = 696827884193360.

The previous prime is 871034855241671. The next prime is 871034855241769. The reversal of 871034855241725 is 527142558430178.

It can be written as a sum of positive squares in 3 ways, for example, as 285500701258756 + 585534153982969 = 16896766^2 + 24197813^2 .

It is not a de Polignac number, because 871034855241725 - 2²⁰ = 871034854193149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17420697104810 + ... + 17420697104859.

It is an arithmetic number, because the mean of its divisors is an integer number (180013870083295).

Almost surely, 2^{871034855241725} is an apocalyptic number.

It is an amenable number.

871034855241725 is a deficient number, since it is larger than the sum of its proper divisors (209048365258045).

871034855241725 is a wasteful number, since it uses less digits than its factorization.

871034855241725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34841394209679 (or 34841394209674 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 62.

The spelling of 871034855241725 in words is "eight hundred seventy-one trillion, thirty-four billion, eight hundred fifty-five million, two hundred forty-one thousand, seven hundred twenty-five".