11174228018 has 6 divisors (see below), whose sum is σ = 16761566271. Its totient is φ = 5587039262.

The previous prime is 11174227979. The next prime is 11174228033. The reversal of 11174228018 is 81082247111.

It can be written as a sum of positive squares in only one way, i.e., 5587114009 + 5587114009 = 74747^2 + 74747^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=74747.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112121 + ... + 186867.

Almost surely, 2^11174228018 is an apocalyptic number.

11174228018 is a deficient number, since it is larger than the sum of its proper divisors (5587338253).

11174228018 is an frugal number, since it uses more digits than its factorization.

11174228018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149496 (or 74749 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The spelling of 11174228018 in words is "eleven billion, one hundred seventy-four million, two hundred twenty-eight thousand, eighteen".