11053003 has 16 divisors (see below), whose sum is σ = 12722080. Its totient is φ = 9517824.

The previous prime is 11052967. The next prime is 11053013. The reversal of 11053003 is 30035011.

It is a cyclic number.

It is not a de Polignac number, because 11053003 - 2¹⁷ = 10921931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11053013) 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, 17725 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (795130).

Almost surely, 2^11053003 is an apocalyptic number.

11053003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11053003 is a deficient number, since it is larger than the sum of its proper divisors (1669077).

11053003 is a wasteful number, since it uses less digits than its factorization.

11053003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 11053003 is about 3324.6056909053. The cubic root of 11053003 is about 222.7546417619.

Adding to 11053003 its reverse (30035011), we get a palindrome (41088014).

The spelling of 11053003 in words is "eleven million, fifty-three thousand, three".