28041106185 has 24 divisors (see below), whose sum is σ = 48609053064. Its totient is φ = 14953881600.

The previous prime is 28041106151. The next prime is 28041106189. The reversal of 28041106185 is 58160114082.

28041106185 is a `hidden beast` number, since 28 + 0 + 4 + 1 + 10 + 618 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3162037824 + 24879068361 = 56232^2 + 157731^2 .

It is not a de Polignac number, because 28041106185 - 2¹³ = 28041097993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28041106189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635335 + ... + 678035.

It is an arithmetic number, because the mean of its divisors is an integer number (2025377211).

Almost surely, 2^28041106185 is an apocalyptic number.

It is an amenable number.

28041106185 is a deficient number, since it is larger than the sum of its proper divisors (20567946879).

28041106185 is a wasteful number, since it uses less digits than its factorization.

28041106185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57305 (or 57302 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 28041106185 in words is "twenty-eight billion, forty-one million, one hundred six thousand, one hundred eighty-five".