5001128172 has 36 divisors (see below), whose sum is σ = 12647358360. Its totient is φ = 1666301952.

The previous prime is 5001128117. The next prime is 5001128183. The reversal of 5001128172 is 2718211005.

5001128172 is a `hidden beast` number, since 500 + 1 + 12 + 81 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×5001128172³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54508 + ... + 113900.

It is an arithmetic number, because the mean of its divisors is an integer number (351315510).

Almost surely, 2^5001128172 is an apocalyptic number.

It is an amenable number.

5001128172 is an abundant number, since it is smaller than the sum of its proper divisors (7646230188).

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

5001128172 is a wasteful number, since it uses less digits than its factorization.

5001128172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61742 (or 61737 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 5001128172 is about 70718.6550494281. The cubic root of 5001128172 is about 1710.1045468039.

Adding to 5001128172 its reverse (2718211005), we get a palindrome (7719339177).

The spelling of 5001128172 in words is "five billion, one million, one hundred twenty-eight thousand, one hundred seventy-two".