871115522048 has 60 divisors (see below), whose sum is σ = 1743582044325. Its totient is φ = 435219857408.

The previous prime is 871115521967. The next prime is 871115522107. The reversal of 871115522048 is 840225511178.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 776428847104 + 94686674944 = 881152^2 + 307712^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=659968.

It is a super-2 number, since 2×871115522048² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 675806588 + ... + 675807876.

Almost surely, 2^871115522048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871115522048

871115522048 is an abundant number, since it is smaller than the sum of its proper divisors (872466522277).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871115522048 is an frugal number, since it uses more digits than its factorization.

871115522048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 44.

The spelling of 871115522048 in words is "eight hundred seventy-one billion, one hundred fifteen million, five hundred twenty-two thousand, forty-eight".