11103010003 has 4 divisors (see below), whose sum is σ = 11461171648. Its totient is φ = 10744848360.

The previous prime is 11103009997. The next prime is 11103010019. The reversal of 11103010003 is 30001030111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11103010003 is a prime.

It is a super-2 number, since 2×11103010003² (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 (11103010073) 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, 179080776 + ... + 179080837.

It is an arithmetic number, because the mean of its divisors is an integer number (2865292912).

Almost surely, 2^11103010003 is an apocalyptic number.

11103010003 is a deficient number, since it is larger than the sum of its proper divisors (358161645).

11103010003 is an equidigital number, since it uses as much as digits as its factorization.

11103010003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358161644.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 11103010003 its reverse (30001030111), we get a palindrome (41104040114).

The spelling of 11103010003 in words is "eleven billion, one hundred three million, ten thousand, three".