5611771165 has 64 divisors (see below), whose sum is σ = 9065613312. Its totient is φ = 3220588800.

The previous prime is 5611771141. The next prime is 5611771177.

5611771165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5611771165 - 2⁵ = 5611771133 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2215950 + ... + 2218480.

It is an arithmetic number, because the mean of its divisors is an integer number (141650208).

Almost surely, 2^5611771165 is an apocalyptic number.

5611771165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5611771165 is a deficient number, since it is larger than the sum of its proper divisors (3453842147).

5611771165 is a wasteful number, since it uses less digits than its factorization.

5611771165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010.

The product of its digits is 44100, while the sum is 40.

The square root of 5611771165 is about 74911.7558531370. The cubic root of 5611771165 is about 1777.0513784777.

The spelling of 5611771165 in words is "five billion, six hundred eleven million, seven hundred seventy-one thousand, one hundred sixty-five".