11331131321209 has 8 divisors (see below), whose sum is σ = 13006912229568. Its totient is φ = 9669612378480.

The previous prime is 11331131321183. The next prime is 11331131321267. The reversal of 11331131321209 is 90212313113311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331131321209 - 2⁵ = 11331131321177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331131322209) 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 7 ways as a sum of consecutive naturals, for example, 3565489702 + ... + 3565492879.

It is an arithmetic number, because the mean of its divisors is an integer number (1625864028696).

Almost surely, 2^{11331131321209} is an apocalyptic number.

It is an amenable number.

11331131321209 is a deficient number, since it is larger than the sum of its proper divisors (1675780908359).

11331131321209 is an equidigital number, since it uses as much as digits as its factorization.

11331131321209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130982815.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 11331131321209 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred twenty-one thousand, two hundred nine".