1109892209472 has 84 divisors (see below), whose sum is σ = 3206355483136. Its totient is φ = 367050942720.

The previous prime is 1109892209471. The next prime is 1109892209513. The reversal of 1109892209472 is 2749022989011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109892209471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7513054 + ... + 7659357.

Almost surely, 2^{1109892209472} is an apocalyptic number.

1109892209472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109892209472 is an abundant number, since it is smaller than the sum of its proper divisors (2096463273664).

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

1109892209472 is a wasteful number, since it uses less digits than its factorization.

1109892209472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15172556 (or 15172543 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 1109892209472 in words is "one trillion, one hundred nine billion, eight hundred ninety-two million, two hundred nine thousand, four hundred seventy-two".