11002312003 has 4 divisors (see below), whose sum is σ = 11258179768. Its totient is φ = 10746444240.

The previous prime is 11002311973. The next prime is 11002312033. The reversal of 11002312003 is 30021320011.

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

It is an interprime number because it is at equal distance from previous prime (11002311973) and next prime (11002312033).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11002312003 is a prime.

It is a super-2 number, since 2×11002312003² (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 (11002312033) 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, 127933818 + ... + 127933903.

It is an arithmetic number, because the mean of its divisors is an integer number (2814544942).

Almost surely, 2^11002312003 is an apocalyptic number.

11002312003 is a deficient number, since it is larger than the sum of its proper divisors (255867765).

11002312003 is an equidigital number, since it uses as much as digits as its factorization.

11002312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255867764.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11002312003 its reverse (30021320011), we get a palindrome (41023632014).

The spelling of 11002312003 in words is "eleven billion, two million, three hundred twelve thousand, three".