11123110003 has 4 divisors (see below), whose sum is σ = 11124097200. Its totient is φ = 11122122808.

The previous prime is 11123110001. The next prime is 11123110007. The reversal of 11123110003 is 30001132111.

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 11123110003 - 2¹ = 11123110001 is a prime.

It is a super-2 number, since 2×11123110003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123110001) 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 3 ways as a sum of consecutive naturals, for example, 476500 + ... + 499297.

It is an arithmetic number, because the mean of its divisors is an integer number (2781024300).

Almost surely, 2^11123110003 is an apocalyptic number.

11123110003 is a deficient number, since it is larger than the sum of its proper divisors (987197).

11123110003 is an equidigital number, since it uses as much as digits as its factorization.

11123110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987196.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11123110003 its reverse (30001132111), we get a palindrome (41124242114).

The spelling of 11123110003 in words is "eleven billion, one hundred twenty-three million, one hundred ten thousand, three".