5509171611 has 8 divisors (see below), whose sum is σ = 8161735760. Its totient is φ = 3672781056.

The previous prime is 5509171601. The next prime is 5509171621. The reversal of 5509171611 is 1161719055.

5509171611 is a `hidden beast` number, since 550 + 91 + 7 + 1 + 6 + 11 = 666.

5509171611 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5509171601) and next prime (5509171621).

It is not a de Polignac number, because 5509171611 - 2⁵ = 5509171579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5509171601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102021670 + ... + 102021723.

It is an arithmetic number, because the mean of its divisors is an integer number (1020216970).

Almost surely, 2^5509171611 is an apocalyptic number.

5509171611 is a deficient number, since it is larger than the sum of its proper divisors (2652564149).

5509171611 is a wasteful number, since it uses less digits than its factorization.

5509171611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204043402 (or 204043396 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 36.

The square root of 5509171611 is about 74223.7941027000. The cubic root of 5509171611 is about 1766.1548040344.

The spelling of 5509171611 in words is "five billion, five hundred nine million, one hundred seventy-one thousand, six hundred eleven".