13111433133209 has 4 divisors (see below), whose sum is σ = 13118160396900. Its totient is φ = 13104705869520.

The previous prime is 13111433133173. The next prime is 13111433133233. The reversal of 13111433133209 is 90233133411131.

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 10214384040025 + 2897049093184 = 3195995^2 + 1702072^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111433133209 - 2²⁰ = 13111432084633 is a prime.

It is a super-2 number, since 2×13111433133209² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13111433133259) 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, 3363628922 + ... + 3363632819.

It is an arithmetic number, because the mean of its divisors is an integer number (3279540099225).

Almost surely, 2^{13111433133209} is an apocalyptic number.

It is an amenable number.

13111433133209 is a deficient number, since it is larger than the sum of its proper divisors (6727263691).

13111433133209 is an equidigital number, since it uses as much as digits as its factorization.

13111433133209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6727263690.

The product of its (nonzero) digits is 17496, while the sum is 35.

The spelling of 13111433133209 in words is "thirteen trillion, one hundred eleven billion, four hundred thirty-three million, one hundred thirty-three thousand, two hundred nine".