871125232161384 has 24 divisors (see below), whose sum is σ = 2359297503770610. Its totient is φ = 290375077387104.

The previous prime is 871125232161277. The next prime is 871125232161397. The reversal of 871125232161384 is 483161232521178.

871125232161384 is a `hidden beast` number, since 8 + 7 + 1 + 1 + 2 + 523 + 21 + 6 + 13 + 84 = 666.

It can be written as a sum of positive squares in only one way, i.e., 838072276472484 + 33052955688900 = 28949478^2 + 5749170^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 871125232161384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6049480778827 + ... + 6049480778970.

Almost surely, 2^{871125232161384} is an apocalyptic number.

It is an amenable number.

871125232161384 is an abundant number, since it is smaller than the sum of its proper divisors (1488172271609226).

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

871125232161384 is a wasteful number, since it uses less digits than its factorization.

871125232161384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098961557809 (or 12098961557802 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 871125232161384 in words is "eight hundred seventy-one trillion, one hundred twenty-five billion, two hundred thirty-two million, one hundred sixty-one thousand, three hundred eighty-four".