11331132111111 has 64 divisors (see below), whose sum is σ = 16730726400000. Its totient is φ = 6793532000640.

The previous prime is 11331132111109. The next prime is 11331132111133. The reversal of 11331132111111 is 11111123113311.

It is not a de Polignac number, because 11331132111111 - 2¹ = 11331132111109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331132111011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48151765 + ... + 48386513.

It is an arithmetic number, because the mean of its divisors is an integer number (261417600000).

Almost surely, 2^{11331132111111} is an apocalyptic number.

11331132111111 is a deficient number, since it is larger than the sum of its proper divisors (5399594288889).

11331132111111 is a wasteful number, since it uses less digits than its factorization.

11331132111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235324.

The product of its digits is 54, while the sum is 21.

Adding to 11331132111111 its reverse (11111123113311), we get a palindrome (22442255224422).

The spelling of 11331132111111 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-two million, one hundred eleven thousand, one hundred eleven".