1109967378 has 16 divisors (see below), whose sum is σ = 2390699136. Its totient is φ = 341528400.

The previous prime is 1109967377. The next prime is 1109967421. The reversal of 1109967378 is 8737699011.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109967378.

It is not an unprimeable number, because it can be changed into a prime (1109967377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7115098 + ... + 7115253.

It is an arithmetic number, because the mean of its divisors is an integer number (149418696).

Almost surely, 2^1109967378 is an apocalyptic number.

1109967378 is an abundant number, since it is smaller than the sum of its proper divisors (1280731758).

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

1109967378 is a wasteful number, since it uses less digits than its factorization.

1109967378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230369.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1109967378 is about 33316.1729194696. The cubic root of 1109967378 is about 1035.3886621719.

The spelling of 1109967378 in words is "one billion, one hundred nine million, nine hundred sixty-seven thousand, three hundred seventy-eight".