1109664850320 has 1280 divisors, whose sum is σ = 4578906931200. Its totient is φ = 244226949120.

The previous prime is 1109664850277. The next prime is 1109664850361. The reversal of 1109664850320 is 230584669011.

1109664850320 is a `hidden beast` number, since 1 + 10 + 96 + 6 + 48 + 503 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 2316627841 + ... + 2316628319.

It is an arithmetic number, because the mean of its divisors is an integer number (3577271040).

Almost surely, 2^{1109664850320} is an apocalyptic number.

1109664850320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109664850320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289453465600).

1109664850320 is an abundant number, since it is smaller than the sum of its proper divisors (3469242080880).

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

1109664850320 is a wasteful number, since it uses less digits than its factorization.

1109664850320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 1109664850320 in words is "one trillion, one hundred nine billion, six hundred sixty-four million, eight hundred fifty thousand, three hundred twenty".