1109373612 has 12 divisors (see below), whose sum is σ = 2588538456. Its totient is φ = 369791200.

The previous prime is 1109373611. The next prime is 1109373667. The reversal of 1109373612 is 2163739011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1109373612² = 2461419622003853088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1109373611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46223889 + ... + 46223912.

It is an arithmetic number, because the mean of its divisors is an integer number (215711538).

Almost surely, 2^1109373612 is an apocalyptic number.

1109373612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1109373612 is an abundant number, since it is smaller than the sum of its proper divisors (1479164844).

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

1109373612 is a wasteful number, since it uses less digits than its factorization.

1109373612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92447808 (or 92447806 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1109373612 is about 33307.2606498943. The cubic root of 1109373612 is about 1035.2040056218.

The spelling of 1109373612 in words is "one billion, one hundred nine million, three hundred seventy-three thousand, six hundred twelve".