13111134110111 has 8 divisors (see below), whose sum is σ = 13241472086784. Its totient is φ = 12980806423200.

The previous prime is 13111134110089. The next prime is 13111134110143. The reversal of 13111134110111 is 11101143111131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13111134110111 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 (13111134110411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 5120768.

It is an arithmetic number, because the mean of its divisors is an integer number (1655184010848).

Almost surely, 2^{13111134110111} is an apocalyptic number.

13111134110111 is a deficient number, since it is larger than the sum of its proper divisors (130337976673).

13111134110111 is a wasteful number, since it uses less digits than its factorization.

13111134110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144881.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 13111134110111 its reverse (11101143111131), we get a palindrome (24212277221242).

The spelling of 13111134110111 in words is "thirteen trillion, one hundred eleven billion, one hundred thirty-four million, one hundred ten thousand, one hundred eleven".