1109066885 has 8 divisors (see below), whose sum is σ = 1333769976. Its totient is φ = 885327040.

The previous prime is 1109066867. The next prime is 1109066899. The reversal of 1109066885 is 5886609011.

It can be written as a sum of positive squares in 4 ways, for example, as 43681 + 1109023204 = 209^2 + 33302^2 .

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

It is not a de Polignac number, because 1109066885 - 2³⁰ = 35325061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238274 + ... + 242883.

It is an arithmetic number, because the mean of its divisors is an integer number (166721247).

Almost surely, 2^1109066885 is an apocalyptic number.

It is an amenable number.

1109066885 is a deficient number, since it is larger than the sum of its proper divisors (224703091).

1109066885 is an equidigital number, since it uses as much as digits as its factorization.

1109066885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481623.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 1109066885 is about 33302.6558250239. The cubic root of 1109066885 is about 1035.1085901297.

The spelling of 1109066885 in words is "one billion, one hundred nine million, sixty-six thousand, eight hundred eighty-five".