11103133311 has 6 divisors (see below), whose sum is σ = 16037859240. Its totient is φ = 7402088868.

The previous prime is 11103133273. The next prime is 11103133337. The reversal of 11103133311 is 11333130111.

11103133311 is a `hidden beast` number, since 11 + 10 + 313 + 331 + 1 = 666.

It is not a de Polignac number, because 11103133311 - 2²⁷ = 10968915583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103133361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616840731 + ... + 616840748.

It is an arithmetic number, because the mean of its divisors is an integer number (2672976540).

Almost surely, 2^11103133311 is an apocalyptic number.

11103133311 is a deficient number, since it is larger than the sum of its proper divisors (4934725929).

11103133311 is a wasteful number, since it uses less digits than its factorization.

11103133311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233681485 (or 1233681482 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 11103133311 its reverse (11333130111), we get a palindrome (22436263422).

The spelling of 11103133311 in words is "eleven billion, one hundred three million, one hundred thirty-three thousand, three hundred eleven".