1113113018 has 16 divisors (see below), whose sum is σ = 1712370240. Its totient is φ = 542354400.

The previous prime is 1113113017. The next prime is 1113113039. The reversal of 1113113018 is 8103113111.

It is not an unprimeable number, because it can be changed into a prime (1113113017) 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 7 ways as a sum of consecutive naturals, for example, 67973 + ... + 82743.

It is an arithmetic number, because the mean of its divisors is an integer number (107023140).

Almost surely, 2^1113113018 is an apocalyptic number.

1113113018 is a deficient number, since it is larger than the sum of its proper divisors (599257222).

1113113018 is a wasteful number, since it uses less digits than its factorization.

1113113018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15733.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1113113018 is about 33363.3484230825. The cubic root of 1113113018 is about 1036.3658344614.

Adding to 1113113018 its reverse (8103113111), we get a palindrome (9216226129).

The spelling of 1113113018 in words is "one billion, one hundred thirteen million, one hundred thirteen thousand, eighteen".