5115500100 has 54 divisors (see below), whose sum is σ = 16034253690. Its totient is φ = 1364133120.

The previous prime is 5115500099. The next prime is 5115500147. The reversal of 5115500100 is 10055115.

5115500100 is a `hidden beast` number, since 5 + 11 + 550 + 0 + 100 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1425666564 + 3689833536 = 37758^2 + 60744^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 17 ways as a sum of consecutive naturals, for example, 2841045 + ... + 2842844.

Almost surely, 2^5115500100 is an apocalyptic number.

5115500100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5115500100 is an abundant number, since it is smaller than the sum of its proper divisors (10918753590).

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

5115500100 is a wasteful number, since it uses less digits than its factorization.

5115500100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683909 (or 5683899 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 5115500100 is about 71522.7243608631. The cubic root of 5115500100 is about 1723.0426696171.

Adding to 5115500100 its reverse (10055115), we get a palindrome (5125555215).

The spelling of 5115500100 in words is "five billion, one hundred fifteen million, five hundred thousand, one hundred".