11331131033333 has 4 divisors (see below), whose sum is σ = 11331509815500. Its totient is φ = 11330752251168.

The previous prime is 11331131033311. The next prime is 11331131033381. The reversal of 11331131033333 is 33333013113311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6755305215409 + 4575825817924 = 2599097^2 + 2139118^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331131033333 - 2⁶ = 11331131033269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331131033296 and 11331131033305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131036333) 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, 189346208 + ... + 189406041.

It is an arithmetic number, because the mean of its divisors is an integer number (2832877453875).

Almost surely, 2^{11331131033333} is an apocalyptic number.

It is an amenable number.

11331131033333 is a deficient number, since it is larger than the sum of its proper divisors (378782167).

11331131033333 is an equidigital number, since it uses as much as digits as its factorization.

11331131033333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378782166.

The product of its (nonzero) digits is 6561, while the sum is 29.

Adding to 11331131033333 its reverse (33333013113311), we get a palindrome (44664144146644).

The spelling of 11331131033333 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, thirty-three thousand, three hundred thirty-three".