11018513 has 4 divisors (see below), whose sum is σ = 12020208. Its totient is φ = 10016820.

The previous prime is 11018507. The next prime is 11018549. The reversal of 11018513 is 31581011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11018513 - 2¹⁴ = 11002129 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11018573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500831 + ... + 500852.

It is an arithmetic number, because the mean of its divisors is an integer number (3005052).

Almost surely, 2^11018513 is an apocalyptic number.

It is an amenable number.

11018513 is a deficient number, since it is larger than the sum of its proper divisors (1001695).

11018513 is a wasteful number, since it uses less digits than its factorization.

11018513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001694.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 11018513 is about 3319.4145568157. The cubic root of 11018513 is about 222.5227044121.

Adding to 11018513 its reverse (31581011), we get a palindrome (42599524).

The spelling of 11018513 in words is "eleven million, eighteen thousand, five hundred thirteen".