5172143881 has 16 divisors (see below), whose sum is σ = 5813798400. Its totient is φ = 4578336000.

The previous prime is 5172143857. The next prime is 5172143897. The reversal of 5172143881 is 1883412715.

It is a cyclic number.

It is not a de Polignac number, because 5172143881 - 2¹¹ = 5172141833 is a prime.

It is a super-2 number, since 2×5172143881² = 53502144651531484322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172143381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134320 + ... + 168481.

It is an arithmetic number, because the mean of its divisors is an integer number (363362400).

Almost surely, 2^5172143881 is an apocalyptic number.

It is an amenable number.

5172143881 is a deficient number, since it is larger than the sum of its proper divisors (641654519).

5172143881 is a wasteful number, since it uses less digits than its factorization.

5172143881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302880.

The product of its digits is 53760, while the sum is 40.

The square root of 5172143881 is about 71917.6187105775. The cubic root of 5172143881 is about 1729.3790727200.

The spelling of 5172143881 in words is "five billion, one hundred seventy-two million, one hundred forty-three thousand, eight hundred eighty-one".