11003123123133 has 4 divisors (see below), whose sum is σ = 14670830830848. Its totient is φ = 7335415415420.

The previous prime is 11003123123089. The next prime is 11003123123149. The reversal of 11003123123133 is 33132132130011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11003123123133 - 2⁸ = 11003123122877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003123123933) 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, 1833853853853 + ... + 1833853853858.

It is an arithmetic number, because the mean of its divisors is an integer number (3667707707712).

Almost surely, 2^{11003123123133} is an apocalyptic number.

It is an amenable number.

11003123123133 is a deficient number, since it is larger than the sum of its proper divisors (3667707707715).

11003123123133 is an equidigital number, since it uses as much as digits as its factorization.

11003123123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667707707714.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11003123123133 its reverse (33132132130011), we get a palindrome (44135255253144).

The spelling of 11003123123133 in words is "eleven trillion, three billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-three".