5517115989 has 64 divisors (see below), whose sum is σ = 9517989888. Its totient is φ = 2759601600.

The previous prime is 5517115979. The next prime is 5517116023. The reversal of 5517115989 is 9895117155.

It is not a de Polignac number, because 5517115989 - 2⁵ = 5517115957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517115979) 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 63 ways as a sum of consecutive naturals, for example, 701332 + ... + 709154.

It is an arithmetic number, because the mean of its divisors is an integer number (148718592).

Almost surely, 2^5517115989 is an apocalyptic number.

It is an amenable number.

5517115989 is a deficient number, since it is larger than the sum of its proper divisors (4000873899).

5517115989 is a wasteful number, since it uses less digits than its factorization.

5517115989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7958.

The product of its digits is 567000, while the sum is 51.

The square root of 5517115989 is about 74277.2912066669. The cubic root of 5517115989 is about 1767.0033443350.

The spelling of 5517115989 in words is "five billion, five hundred seventeen million, one hundred fifteen thousand, nine hundred eighty-nine".