11003201003 has 4 divisors (see below), whose sum is σ = 11003504520. Its totient is φ = 11002897488.

The previous prime is 11003200963. The next prime is 11003201009. The reversal of 11003201003 is 30010230011.

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-11003201003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003201009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88625 + ... + 172802.

It is an arithmetic number, because the mean of its divisors is an integer number (2750876130).

Almost surely, 2^11003201003 is an apocalyptic number.

11003201003 is a deficient number, since it is larger than the sum of its proper divisors (303517).

11003201003 is an equidigital number, since it uses as much as digits as its factorization.

11003201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303516.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11003201003 its reverse (30010230011), we get a palindrome (41013431014).

The spelling of 11003201003 in words is "eleven billion, three million, two hundred one thousand, three".