11145103 has 4 divisors (see below), whose sum is σ = 11446360. Its totient is φ = 10843848.

The previous prime is 11145073. The next prime is 11145107. The reversal of 11145103 is 30154111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11145103 - 2⁹ = 11144591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145107) 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, 150573 + ... + 150646.

It is an arithmetic number, because the mean of its divisors is an integer number (2861590).

Almost surely, 2^11145103 is an apocalyptic number.

11145103 is a deficient number, since it is larger than the sum of its proper divisors (301257).

11145103 is an equidigital number, since it uses as much as digits as its factorization.

11145103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301256.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11145103 is about 3338.4282229816. The cubic root of 11145103 is about 223.3716379436.

Adding to 11145103 its reverse (30154111), we get a palindrome (41299214).

The spelling of 11145103 in words is "eleven million, one hundred forty-five thousand, one hundred three".