871088411138813 has 12 divisors (see below), whose sum is σ = 1013310678850812. Its totient is φ = 746644445205120.

The previous prime is 871088411138809. The next prime is 871088411138837. The reversal of 871088411138813 is 318831114880178.

It can be written as a sum of positive squares in 2 ways, for example, as 326615328540004 + 544473082598809 = 18072502^2 + 23333947^2 .

It is not a de Polignac number, because 871088411138813 - 2² = 871088411138809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871088411138893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19483598 + ... + 46062863.

It is an arithmetic number, because the mean of its divisors is an integer number (84442556570901).

Almost surely, 2^{871088411138813} is an apocalyptic number.

It is an amenable number.

871088411138813 is a deficient number, since it is larger than the sum of its proper divisors (142222267711999).

871088411138813 is a wasteful number, since it uses less digits than its factorization.

871088411138813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65817692 (or 65817685 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 62.

The spelling of 871088411138813 in words is "eight hundred seventy-one trillion, eighty-eight billion, four hundred eleven million, one hundred thirty-eight thousand, eight hundred thirteen".