5185118500 has 24 divisors (see below), whose sum is σ = 11324299896. Its totient is φ = 2074047200.

The previous prime is 5185118479. The next prime is 5185118503. The reversal of 5185118500 is 58115815.

It can be written as a sum of positive squares in 4 ways, for example, as 1982464 + 5183136036 = 1408^2 + 71994^2 .

It is not an unprimeable number, because it can be changed into a prime (5185118503) 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 7 ways as a sum of consecutive naturals, for example, 5184619 + ... + 5185618.

It is an arithmetic number, because the mean of its divisors is an integer number (471845829).

Almost surely, 2^5185118500 is an apocalyptic number.

5185118500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5185118500 is an abundant number, since it is smaller than the sum of its proper divisors (6139181396).

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

5185118500 is a wasteful number, since it uses less digits than its factorization.

5185118500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370256 (or 10370244 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 34.

The square root of 5185118500 is about 72007.7669421848. The cubic root of 5185118500 is about 1730.8239473427.

The spelling of 5185118500 in words is "five billion, one hundred eighty-five million, one hundred eighteen thousand, five hundred".