11133255111 has 16 divisors (see below), whose sum is σ = 16195607040. Its totient is φ = 6746685120.

The previous prime is 11133255109. The next prime is 11133255131. The reversal of 11133255111 is 11155233111.

It is not a de Polignac number, because 11133255111 - 2¹ = 11133255109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133255131) 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 15 ways as a sum of consecutive naturals, for example, 514731 + ... + 535923.

It is an arithmetic number, because the mean of its divisors is an integer number (1012225440).

Almost surely, 2^11133255111 is an apocalyptic number.

11133255111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11133255111 is a deficient number, since it is larger than the sum of its proper divisors (5062351929).

11133255111 is a wasteful number, since it uses less digits than its factorization.

11133255111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37126.

The product of its digits is 450, while the sum is 24.

Adding to 11133255111 its reverse (11155233111), we get a palindrome (22288488222).

The spelling of 11133255111 in words is "eleven billion, one hundred thirty-three million, two hundred fifty-five thousand, one hundred eleven".