1109009056 has 24 divisors (see below), whose sum is σ = 2184646464. Its totient is φ = 554178240.

The previous prime is 1109009003. The next prime is 1109009063. The reversal of 1109009056 is 6509009011.

It is a super-2 number, since 2×1109009056² = 2459802172580022272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50611 + ... + 69133.

It is an arithmetic number, because the mean of its divisors is an integer number (91026936).

Almost surely, 2^1109009056 is an apocalyptic number.

1109009056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1109009056 is a deficient number, since it is larger than the sum of its proper divisors (1075637408).

1109009056 is a wasteful number, since it uses less digits than its factorization.

1109009056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20404 (or 20396 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 1109009056 is about 33301.7875796480. The cubic root of 1109009056 is about 1035.0905989289.

The spelling of 1109009056 in words is "one billion, one hundred nine million, nine thousand, fifty-six".