5171055138 has 48 divisors (see below), whose sum is σ = 11874630456. Its totient is φ = 1620702720.

The previous prime is 5171055133. The next prime is 5171055199. The reversal of 5171055138 is 8315501715.

5171055138 is a `hidden beast` number, since 5 + 1 + 71 + 0 + 551 + 38 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5145623289 + 25431849 = 71733^2 + 5043^2 .

It is a super-2 number, since 2×5171055138² = 53479622480472398088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5171055133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326728 + ... + 342188.

Almost surely, 2^5171055138 is an apocalyptic number.

5171055138 is an abundant number, since it is smaller than the sum of its proper divisors (6703575318).

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

5171055138 is a wasteful number, since it uses less digits than its factorization.

5171055138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16579 (or 16576 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 36.

The square root of 5171055138 is about 71910.0489361536. The cubic root of 5171055138 is about 1729.2577186914.

The spelling of 5171055138 in words is "five billion, one hundred seventy-one million, fifty-five thousand, one hundred thirty-eight".