11490018 has 32 divisors (see below), whose sum is σ = 24192000. Its totient is φ = 3631056.

The previous prime is 11490013. The next prime is 11490023. The reversal of 11490018 is 81009411.

It is an interprime number because it is at equal distance from previous prime (11490013) and next prime (11490023).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11490018.

It is not an unprimeable number, because it can be changed into a prime (11490013) 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 15 ways as a sum of consecutive naturals, for example, 18883 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^11490018 is an apocalyptic number.

11490018 is an abundant number, since it is smaller than the sum of its proper divisors (12701982).

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

11490018 is a wasteful number, since it uses less digits than its factorization.

11490018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11490018 is about 3389.6929064445. The cubic root of 11490018 is about 225.6525451647.

Adding to 11490018 its reverse (81009411), we get a palindrome (92499429).

The spelling of 11490018 in words is "eleven million, four hundred ninety thousand, eighteen".