11331320332011 has 4 divisors (see below), whose sum is σ = 15108427109352. Its totient is φ = 7554213554672.

The previous prime is 11331320332009. The next prime is 11331320332021. The reversal of 11331320332011 is 11023302313311.

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 11331320332011 - 2¹ = 11331320332009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331320332021) 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, 1888553388666 + ... + 1888553388671.

It is an arithmetic number, because the mean of its divisors is an integer number (3777106777338).

Almost surely, 2^{11331320332011} is an apocalyptic number.

11331320332011 is a deficient number, since it is larger than the sum of its proper divisors (3777106777341).

11331320332011 is an equidigital number, since it uses as much as digits as its factorization.

11331320332011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777106777340.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 11331320332011 its reverse (11023302313311), we get a palindrome (22354622645322).

The spelling of 11331320332011 in words is "eleven trillion, three hundred thirty-one billion, three hundred twenty million, three hundred thirty-two thousand, eleven".