11003042103 has 8 divisors (see below), whose sum is σ = 14889689088. Its totient is φ = 7225878264.

The previous prime is 11003042093. The next prime is 11003042117. The reversal of 11003042103 is 30124030011.

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

It is a de Polignac number, because none of the positive numbers 2^k-11003042103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003042503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27370551 + ... + 27370952.

It is an arithmetic number, because the mean of its divisors is an integer number (1861211136).

Almost surely, 2^11003042103 is an apocalyptic number.

11003042103 is a deficient number, since it is larger than the sum of its proper divisors (3886646985).

11003042103 is an equidigital number, since it uses as much as digits as its factorization.

11003042103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54741573.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11003042103 its reverse (30124030011), we get a palindrome (41127072114).

The spelling of 11003042103 in words is "eleven billion, three million, forty-two thousand, one hundred three".