11331131213033 has 4 divisors (see below), whose sum is σ = 11486352188628. Its totient is φ = 11175910237440.

The previous prime is 11331131213023. The next prime is 11331131213047. The reversal of 11331131213033 is 33031213113311.

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 5608333348864 + 5722797864169 = 2368192^2 + 2392237^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331131213033 - 2²⁰ = 11331130164457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331131212993 and 11331131213011.

It is not an unprimeable number, because it can be changed into a prime (11331131213023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77610487688 + ... + 77610487833.

It is an arithmetic number, because the mean of its divisors is an integer number (2871588047157).

Almost surely, 2^{11331131213033} is an apocalyptic number.

It is an amenable number.

11331131213033 is a deficient number, since it is larger than the sum of its proper divisors (155220975595).

11331131213033 is an equidigital number, since it uses as much as digits as its factorization.

11331131213033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155220975594.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 11331131213033 its reverse (33031213113311), we get a palindrome (44362344326344).

The spelling of 11331131213033 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred thirteen thousand, thirty-three".