5181715008 has 42 divisors (see below), whose sum is σ = 14852452134. Its totient is φ = 1727238144.

The previous prime is 5181714997. The next prime is 5181715051. The reversal of 5181715008 is 8005171815.

It is a happy number.

5181715008 is a `hidden beast` number, since 5 + 1 + 81 + 71 + 500 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3810345984 + 1371369024 = 61728^2 + 37032^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4497441 + ... + 4498592.

Almost surely, 2^5181715008 is an apocalyptic number.

It is an amenable number.

5181715008 is an abundant number, since it is smaller than the sum of its proper divisors (9670737126).

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

5181715008 is a wasteful number, since it uses less digits than its factorization.

5181715008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996051 (or 8996038 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 36.

The square root of 5181715008 is about 71984.1302510491. The cubic root of 5181715008 is about 1730.4451623745.

The spelling of 5181715008 in words is "five billion, one hundred eighty-one million, seven hundred fifteen thousand, eight".