5511165165 has 48 divisors (see below), whose sum is σ = 10450477440. Its totient is φ = 2664551040.

The previous prime is 5511165073. The next prime is 5511165169. The reversal of 5511165165 is 5615611155.

It is a happy number.

It is not a de Polignac number, because 5511165165 - 2⁹ = 5511164653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511165169) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 162199 + ... + 193211.

It is an arithmetic number, because the mean of its divisors is an integer number (217718280).

Almost surely, 2^5511165165 is an apocalyptic number.

5511165165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5511165165 is a deficient number, since it is larger than the sum of its proper divisors (4939312275).

5511165165 is a wasteful number, since it uses less digits than its factorization.

5511165165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31394 (or 31391 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 5511165165 is about 74237.2222338632. Note that the first 4 decimals coincide. The cubic root of 5511165165 is about 1766.3678124873.

The spelling of 5511165165 in words is "five billion, five hundred eleven million, one hundred sixty-five thousand, one hundred sixty-five".