1118315185 has 16 divisors (see below), whose sum is σ = 1448536320. Its totient is φ = 823930560.

The previous prime is 1118315183. The next prime is 1118315213. The reversal of 1118315185 is 5815138111.

It is a happy number.

1118315185 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1118315185 - 2¹ = 1118315183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118315185.

It is not an unprimeable number, because it can be changed into a prime (1118315183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8940 + ... + 48130.

It is an arithmetic number, because the mean of its divisors is an integer number (90533520).

Almost surely, 2^1118315185 is an apocalyptic number.

It is an amenable number.

1118315185 is a deficient number, since it is larger than the sum of its proper divisors (330221135).

1118315185 is a wasteful number, since it uses less digits than its factorization.

1118315185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39648.

The product of its digits is 4800, while the sum is 34.

The square root of 1118315185 is about 33441.2198491622. The cubic root of 1118315185 is about 1037.9778214207.

The spelling of 1118315185 in words is "one billion, one hundred eighteen million, three hundred fifteen thousand, one hundred eighty-five".