871086180060681 has 16 divisors (see below), whose sum is σ = 1258280175352704. Its totient is φ = 532843135473024.

The previous prime is 871086180060641. The next prime is 871086180060703. The reversal of 871086180060681 is 186060081680178.

It is not a de Polignac number, because 871086180060681 - 2⁷ = 871086180060553 is a prime.

It is a super-2 number, since 2×871086180060681² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (871086180060641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66872876956 + ... + 66872889981.

It is an arithmetic number, because the mean of its divisors is an integer number (78642510959544).

Almost surely, 2^{871086180060681} is an apocalyptic number.

It is an amenable number.

871086180060681 is a deficient number, since it is larger than the sum of its proper divisors (387193995292023).

871086180060681 is a wasteful number, since it uses less digits than its factorization.

871086180060681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133745767120.

The product of its (nonzero) digits is 6193152, while the sum is 60.

The spelling of 871086180060681 in words is "eight hundred seventy-one trillion, eighty-six billion, one hundred eighty million, sixty thousand, six hundred eighty-one".