105185055 has 8 divisors (see below), whose sum is σ = 168296112. Its totient is φ = 56098688.

The previous prime is 105185051. The next prime is 105185057. The reversal of 105185055 is 550581501.

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

It is a cyclic number.

It is not a de Polignac number, because 105185055 - 2² = 105185051 is a prime.

It is a super-2 number, since 2×105185055² = 22127791590706050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105185051) 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, 3506154 + ... + 3506183.

It is an arithmetic number, because the mean of its divisors is an integer number (21037014).

Almost surely, 2^105185055 is an apocalyptic number.

105185055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105185055 is a deficient number, since it is larger than the sum of its proper divisors (63111057).

105185055 is an equidigital number, since it uses as much as digits as its factorization.

105185055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012345.

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 105185055 is about 10255.9765502852. The cubic root of 105185055 is about 472.0463886587.

The spelling of 105185055 in words is "one hundred five million, one hundred eighty-five thousand, fifty-five".