1113189118 has 16 divisors (see below), whose sum is σ = 1693915056. Its totient is φ = 548562240.

The previous prime is 1113189109. The next prime is 1113189131. The reversal of 1113189118 is 8119813111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319908 + ... + 323368.

It is an arithmetic number, because the mean of its divisors is an integer number (105869691).

Almost surely, 2^1113189118 is an apocalyptic number.

1113189118 is a deficient number, since it is larger than the sum of its proper divisors (580725938).

1113189118 is a wasteful number, since it uses less digits than its factorization.

1113189118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739.

The product of its digits is 1728, while the sum is 34.

The square root of 1113189118 is about 33364.4888766485. The cubic root of 1113189118 is about 1036.3894516029.

The spelling of 1113189118 in words is "one billion, one hundred thirteen million, one hundred eighty-nine thousand, one hundred eighteen".