871057560723055 has 8 divisors (see below), whose sum is σ = 1056045042691632. Its totient is φ = 689662068695808.

The previous prime is 871057560723011. The next prime is 871057560723067. The reversal of 871057560723055 is 550327065750178.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 871057560723055 - 2¹⁷ = 871057560591983 is a prime.

It is a super-2 number, since 2×871057560723055² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 871057560722984 and 871057560723002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897997484797 + ... + 897997485766.

It is an arithmetic number, because the mean of its divisors is an integer number (132005630336454).

Almost surely, 2^{871057560723055} is an apocalyptic number.

871057560723055 is a deficient number, since it is larger than the sum of its proper divisors (184987481968577).

871057560723055 is a wasteful number, since it uses less digits than its factorization.

871057560723055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795994970665.

The product of its (nonzero) digits is 61740000, while the sum is 61.

The spelling of 871057560723055 in words is "eight hundred seventy-one trillion, fifty-seven billion, five hundred sixty million, seven hundred twenty-three thousand, fifty-five".