1109268685 has 8 divisors (see below), whose sum is σ = 1521282816. Its totient is φ = 760641360.

The previous prime is 1109268661. The next prime is 1109268701. The reversal of 1109268685 is 5868629011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1109268685 - 2¹⁵ = 1109235917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15846661 + ... + 15846730.

It is an arithmetic number, because the mean of its divisors is an integer number (190160352).

Almost surely, 2^1109268685 is an apocalyptic number.

It is an amenable number.

1109268685 is a deficient number, since it is larger than the sum of its proper divisors (412014131).

1109268685 is an equidigital number, since it uses as much as digits as its factorization.

1109268685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31693403.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 1109268685 is about 33305.6854756061. The cubic root of 1109268685 is about 1035.1713673011.

The spelling of 1109268685 in words is "one billion, one hundred nine million, two hundred sixty-eight thousand, six hundred eighty-five".