11103203003311 has 4 divisors (see below), whose sum is σ = 11104298760312. Its totient is φ = 11102107246312.

The previous prime is 11103203003251. The next prime is 11103203003323. The reversal of 11103203003311 is 11330030230111.

11103203003311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11103203003311 - 2¹³ = 11103202995119 is a prime.

It is a super-3 number, since 3×11103203003311³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103203003351) 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, 547863301 + ... + 547883566.

It is an arithmetic number, because the mean of its divisors is an integer number (2776074690078).

Almost surely, 2^{11103203003311} is an apocalyptic number.

11103203003311 is a deficient number, since it is larger than the sum of its proper divisors (1095757001).

11103203003311 is a wasteful number, since it uses less digits than its factorization.

11103203003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095757000.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11103203003311 its reverse (11330030230111), we get a palindrome (22433233233422).

The spelling of 11103203003311 in words is "eleven trillion, one hundred three billion, two hundred three million, three thousand, three hundred eleven".