105518 has 8 divisors (see below), whose sum is σ = 180912. Its totient is φ = 45216.

The previous prime is 105517. The next prime is 105527. The reversal of 105518 is 815501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105518² = 22268096648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105518.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 105518.

It is not an unprimeable number, because it can be changed into a prime (105517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755 + ... + 3782.

It is an arithmetic number, because the mean of its divisors is an integer number (22614).

2¹⁰⁵⁵¹⁸ is an apocalyptic number.

105518 is a deficient number, since it is larger than the sum of its proper divisors (75394).

105518 is an equidigital number, since it uses as much as digits as its factorization.

105518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 105518 is about 324.8353429047. The cubic root of 105518 is about 47.2543924325.

The spelling of 105518 in words is "one hundred five thousand, five hundred eighteen".