11182018 has 4 divisors (see below), whose sum is σ = 16773030. Its totient is φ = 5591008.

The previous prime is 11182001. The next prime is 11182019. The reversal of 11182018 is 81028111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81028111 = 71 ⋅1141241.

It can be written as a sum of positive squares in only one way, i.e., 8567329 + 2614689 = 2927^2 + 1617^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11182018.

It is not an unprimeable number, because it can be changed into a prime (11182019) 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 as a sum of consecutive naturals, namely, 2795503 + ... + 2795506.

Almost surely, 2^11182018 is an apocalyptic number.

11182018 is a deficient number, since it is larger than the sum of its proper divisors (5591012).

11182018 is an equidigital number, since it uses as much as digits as its factorization.

11182018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591011.

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 11182018 is about 3343.9524518151. The cubic root of 11182018 is about 223.6179846070.

It can be divided in two parts, 1118 and 2018, that added together give a square (3136 = 56²).

The spelling of 11182018 in words is "eleven million, one hundred eighty-two thousand, eighteen".