5515599999 has 32 divisors (see below), whose sum is σ = 9090192384. Its totient is φ = 2896807680.

The previous prime is 5515599983. The next prime is 5515600007. The reversal of 5515599999 is 9999955155.

It is not a de Polignac number, because 5515599999 - 2⁴ = 5515599983 is a prime.

5515599999 is a modest number, since divided by 99999 gives 55155 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515599599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20254 + ... + 106964.

It is an arithmetic number, because the mean of its divisors is an integer number (284068512).

Almost surely, 2^5515599999 is an apocalyptic number.

5515599999 is a deficient number, since it is larger than the sum of its proper divisors (3574592385).

5515599999 is a wasteful number, since it uses less digits than its factorization.

5515599999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86967.

The product of its digits is 36905625, while the sum is 66.

The square root of 5515599999 is about 74267.0855695846. The cubic root of 5515599999 is about 1766.8414841168.

The spelling of 5515599999 in words is "five billion, five hundred fifteen million, five hundred ninety-nine thousand, nine hundred ninety-nine".