871377015135144 has 32 divisors (see below), whose sum is σ = 2489648614672320. Its totient is φ = 248964861467136.

The previous prime is 871377015135113. The next prime is 871377015135241. The reversal of 871377015135144 is 441531510773178.

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, 2593383973449 + ... + 2593383973784.

It is an arithmetic number, because the mean of its divisors is an integer number (77801519208510).

Almost surely, 2^{871377015135144} is an apocalyptic number.

871377015135144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

871377015135144 is an abundant number, since it is smaller than the sum of its proper divisors (1618271599537176).

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

871377015135144 is a wasteful number, since it uses less digits than its factorization.

871377015135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5186767947249 (or 5186767947245 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 871377015135144 in words is "eight hundred seventy-one trillion, three hundred seventy-seven billion, fifteen million, one hundred thirty-five thousand, one hundred forty-four".