105518828 has 12 divisors (see below), whose sum is σ = 185218152. Its totient is φ = 52599360.

The previous prime is 105518827. The next prime is 105518843. The reversal of 105518828 is 828815501.

It is a super-2 number, since 2×105518828² = 22268446124987168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105518791 and 105518800.

It is not an unprimeable number, because it can be changed into a prime (105518821) 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 3 ways as a sum of consecutive naturals, for example, 38525 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (15434846).

Almost surely, 2^105518828 is an apocalyptic number.

It is an amenable number.

105518828 is a deficient number, since it is larger than the sum of its proper divisors (79699324).

105518828 is a wasteful number, since it uses less digits than its factorization.

105518828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80032 (or 80030 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 38.

The square root of 105518828 is about 10272.2357838983. The cubic root of 105518828 is about 472.5451603393.

The spelling of 105518828 in words is "one hundred five million, five hundred eighteen thousand, eight hundred twenty-eight".