1109065356 has 72 divisors (see below), whose sum is σ = 3212611584. Its totient is φ = 316020960.

The previous prime is 1109065327. The next prime is 1109065361. The reversal of 1109065356 is 6535609011.

1109065356 is a `hidden beast` number, since 110 + 9 + 0 + 6 + 535 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1109065356.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90771 + ... + 102261.

Almost surely, 2^1109065356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109065356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1606305792).

1109065356 is an abundant number, since it is smaller than the sum of its proper divisors (2103546228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109065356 is a wasteful number, since it uses less digits than its factorization.

1109065356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891 (or 11886 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 1109065356 is about 33302.6328688889. The cubic root of 1109065356 is about 1035.1081144500.

The spelling of 1109065356 in words is "one billion, one hundred nine million, sixty-five thousand, three hundred fifty-six".