11361818 has 8 divisors (see below), whose sum is σ = 18353748. Its totient is φ = 5243904.

The previous prime is 11361817. The next prime is 11361851. The reversal of 11361818 is 81816311.

It can be written as a sum of positive squares in 2 ways, for example, as 8779369 + 2582449 = 2963^2 + 1607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

11361818 is a modest number, since divided by 1818 gives 1136 as remainder.

It is not an unprimeable number, because it can be changed into a prime (11361817) 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 3 ways as a sum of consecutive naturals, for example, 218471 + ... + 218522.

Almost surely, 2^11361818 is an apocalyptic number.

11361818 is a deficient number, since it is larger than the sum of its proper divisors (6991930).

11361818 is a wasteful number, since it uses less digits than its factorization.

11361818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437008.

The product of its digits is 1152, while the sum is 29.

The square root of 11361818 is about 3370.7295946130. The cubic root of 11361818 is about 224.8101641576.

The spelling of 11361818 in words is "eleven million, three hundred sixty-one thousand, eight hundred eighteen".