1109075956185 has 16 divisors (see below), whose sum is σ = 1783715946624. Its totient is φ = 588442371072.

The previous prime is 1109075956169. The next prime is 1109075956187. The reversal of 1109075956185 is 5816595709011.

It is not a de Polignac number, because 1109075956185 - 2⁴ = 1109075956169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1109075956187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191547357 + ... + 191553146.

It is an arithmetic number, because the mean of its divisors is an integer number (111482246664).

Almost surely, 2^{1109075956185} is an apocalyptic number.

1109075956185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1109075956185 is a deficient number, since it is larger than the sum of its proper divisors (674639990439).

1109075956185 is a wasteful number, since it uses less digits than its factorization.

1109075956185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383100704.

The product of its (nonzero) digits is 3402000, while the sum is 57.

The spelling of 1109075956185 in words is "one trillion, one hundred nine billion, seventy-five million, nine hundred fifty-six thousand, one hundred eighty-five".