11331330311111 has 4 divisors (see below), whose sum is σ = 11372237641032. Its totient is φ = 11290422981192.

The previous prime is 11331330311071. The next prime is 11331330311129. The reversal of 11331330311111 is 11111303313311.

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 11331330311111 - 2³⁸ = 11056452404167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331330313111) 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 3 ways as a sum of consecutive naturals, for example, 20453664545 + ... + 20453665098.

It is an arithmetic number, because the mean of its divisors is an integer number (2843059410258).

Almost surely, 2^{11331330311111} is an apocalyptic number.

11331330311111 is a deficient number, since it is larger than the sum of its proper divisors (40907329921).

11331330311111 is an equidigital number, since it uses as much as digits as its factorization.

11331330311111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40907329920.

The product of its (nonzero) digits is 243, while the sum is 23.

Adding to 11331330311111 its reverse (11111303313311), we get a palindrome (22442633624422).

The spelling of 11331330311111 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty million, three hundred eleven thousand, one hundred eleven".