1100109918 has 128 divisors (see below), whose sum is σ = 2521497600. Its totient is φ = 318269952.

The previous prime is 1100109911. The next prime is 1100109947. The reversal of 1100109918 is 8199010011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100109911) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 9735430 + ... + 9735542.

It is an arithmetic number, because the mean of its divisors is an integer number (19699200).

Almost surely, 2^1100109918 is an apocalyptic number.

1100109918 is an abundant number, since it is smaller than the sum of its proper divisors (1421387682).

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

1100109918 is a wasteful number, since it uses less digits than its factorization.

1100109918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 648, while the sum is 30.

The square root of 1100109918 is about 33167.9049383587. The cubic root of 1100109918 is about 1032.3144979977.

Adding to 1100109918 its reverse (8199010011), we get a palindrome (9299119929).

The spelling of 1100109918 in words is "one billion, one hundred million, one hundred nine thousand, nine hundred eighteen".