1109217504 has 96 divisors (see below), whose sum is σ = 3070206720. Its totient is φ = 349949952.

The previous prime is 1109217503. The next prime is 1109217509. The reversal of 1109217504 is 4057129011.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×1109217504³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109217503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211587 + ... + 216765.

It is an arithmetic number, because the mean of its divisors is an integer number (31981320).

Almost surely, 2^1109217504 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 1109217504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535103360).

1109217504 is an abundant number, since it is smaller than the sum of its proper divisors (1960989216).

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

1109217504 is a wasteful number, since it uses less digits than its factorization.

1109217504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312 (or 5304 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1109217504 is about 33304.9171144442. The cubic root of 1109217504 is about 1035.1554463250.

The spelling of 1109217504 in words is "one billion, one hundred nine million, two hundred seventeen thousand, five hundred four".