13111323133333 has 4 divisors (see below), whose sum is σ = 13111395163020. Its totient is φ = 13111251103648.

The previous prime is 13111323133327. The next prime is 13111323133357. The reversal of 13111323133333 is 33333132311131.

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 4904599324689 + 8206723808644 = 2214633^2 + 2864738^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111323133333 - 2⁵ = 13111323133301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13111323133295 and 13111323133304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111323133393) 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 3 ways as a sum of consecutive naturals, for example, 35741110 + ... + 36106087.

It is an arithmetic number, because the mean of its divisors is an integer number (3277848790755).

Almost surely, 2^{13111323133333} is an apocalyptic number.

It is an amenable number.

13111323133333 is a deficient number, since it is larger than the sum of its proper divisors (72029687).

13111323133333 is an equidigital number, since it uses as much as digits as its factorization.

13111323133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72029686.

The product of its digits is 13122, while the sum is 31.

Adding to 13111323133333 its reverse (33333132311131), we get a palindrome (46444455444464).

The spelling of 13111323133333 in words is "thirteen trillion, one hundred eleven billion, three hundred twenty-three million, one hundred thirty-three thousand, three hundred thirty-three".