1100000085 has 8 divisors (see below), whose sum is σ = 1760000160. Its totient is φ = 586666704.

The previous prime is 1100000081. The next prime is 1100000123. The reversal of 1100000085 is 5800000011.

It is a happy number.

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

It is not a de Polignac number, because 1100000085 - 2² = 1100000081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 73333339 = 1100000085 / (1 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 8 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000081) 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 7 ways as a sum of consecutive naturals, for example, 36666655 + ... + 36666684.

It is an arithmetic number, because the mean of its divisors is an integer number (220000020).

Almost surely, 2^1100000085 is an apocalyptic number.

1100000085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1100000085 is a deficient number, since it is larger than the sum of its proper divisors (660000075).

1100000085 is an equidigital number, since it uses as much as digits as its factorization.

1100000085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73333347.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1100000085 is about 33166.2491849772. The cubic root of 1100000085 is about 1032.2801420454.

Adding to 1100000085 its reverse (5800000011), we get a palindrome (6900000096).

The spelling of 1100000085 in words is "one billion, one hundred million, eighty-five", and thus it is an aban number.