11133018 has 32 divisors (see below), whose sum is σ = 26644800. Its totient is φ = 3425328.

The previous prime is 11133007. The next prime is 11133019. The reversal of 11133018 is 81033111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11133019) 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, 7228 + ... + 8631.

It is an arithmetic number, because the mean of its divisors is an integer number (832650).

Almost surely, 2^11133018 is an apocalyptic number.

11133018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11133018 is an abundant number, since it is smaller than the sum of its proper divisors (15511782).

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

11133018 is a wasteful number, since it uses less digits than its factorization.

11133018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883 (or 15877 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11133018 is about 3336.6177485592. The cubic root of 11133018 is about 223.2908723514.

Adding to 11133018 its reverse (81033111), we get a palindrome (92166129).

The spelling of 11133018 in words is "eleven million, one hundred thirty-three thousand, eighteen".