11001332003 has 4 divisors (see below), whose sum is σ = 11002822680. Its totient is φ = 10999841328.

The previous prime is 11001331969. The next prime is 11001332021. The reversal of 11001332003 is 30023310011.

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 11001332003 - 2¹⁰ = 11001330979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001332053) 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, 734213 + ... + 749046.

It is an arithmetic number, because the mean of its divisors is an integer number (2750705670).

Almost surely, 2^11001332003 is an apocalyptic number.

11001332003 is a deficient number, since it is larger than the sum of its proper divisors (1490677).

11001332003 is an equidigital number, since it uses as much as digits as its factorization.

11001332003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490676.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 11001332003 its reverse (30023310011), we get a palindrome (41024642014).

The spelling of 11001332003 in words is "eleven billion, one million, three hundred thirty-two thousand, three".