11003123033003 has 4 divisors (see below), whose sum is σ = 11060134033368. Its totient is φ = 10946112032640.

The previous prime is 11003123032999. The next prime is 11003123033033. The reversal of 11003123033003 is 30033032130011.

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 11003123033003 - 2² = 11003123032999 is a prime.

It is a super-2 number, since 2×11003123033003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003123033033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28505499893 + ... + 28505500278.

It is an arithmetic number, because the mean of its divisors is an integer number (2765033508342).

Almost surely, 2^{11003123033003} is an apocalyptic number.

11003123033003 is a deficient number, since it is larger than the sum of its proper divisors (57011000365).

11003123033003 is an equidigital number, since it uses as much as digits as its factorization.

11003123033003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57011000364.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 11003123033003 its reverse (30033032130011), we get a palindrome (41036155163014).

The spelling of 11003123033003 in words is "eleven trillion, three billion, one hundred twenty-three million, thirty-three thousand, three".