5136172172 has 24 divisors (see below), whose sum is σ = 9213666000. Its totient is φ = 2503779840.

The previous prime is 5136172157. The next prime is 5136172187. The reversal of 5136172172 is 2712716315.

It is an interprime number because it is at equal distance from previous prime (5136172157) and next prime (5136172187).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 257204 + ... + 276452.

It is an arithmetic number, because the mean of its divisors is an integer number (383902750).

Almost surely, 2^5136172172 is an apocalyptic number.

It is an amenable number.

5136172172 is a deficient number, since it is larger than the sum of its proper divisors (4077493828).

5136172172 is a wasteful number, since it uses less digits than its factorization.

5136172172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20921 (or 20919 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 5136172172 is about 71667.0926716021. The cubic root of 5136172172 is about 1725.3605264228.

Adding to 5136172172 its reverse (2712716315), we get a palindrome (7848888487).

The spelling of 5136172172 in words is "five billion, one hundred thirty-six million, one hundred seventy-two thousand, one hundred seventy-two".