11331033333013 has 4 divisors (see below), whose sum is σ = 11447848109740. Its totient is φ = 11214218556288.

The previous prime is 11331033332929. The next prime is 11331033333043. The reversal of 11331033333013 is 31033333013311.

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 5991342989284 + 5339690343729 = 2447722^2 + 2310777^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331033333013 - 2³³ = 11322443398421 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 (11331033333043) 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, 58407388218 + ... + 58407388411.

It is an arithmetic number, because the mean of its divisors is an integer number (2861962027435).

Almost surely, 2^{11331033333013} is an apocalyptic number.

It is an amenable number.

11331033333013 is a deficient number, since it is larger than the sum of its proper divisors (116814776727).

11331033333013 is an equidigital number, since it uses as much as digits as its factorization.

11331033333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116814776726.

The product of its (nonzero) digits is 6561, while the sum is 28.

Adding to 11331033333013 its reverse (31033333013311), we get a palindrome (42364366346324).

The spelling of 11331033333013 in words is "eleven trillion, three hundred thirty-one billion, thirty-three million, three hundred thirty-three thousand, thirteen".