13111959386741 has 4 divisors (see below), whose sum is σ = 13326909540684. Its totient is φ = 12897009232800.

The previous prime is 13111959386719. The next prime is 13111959386749. The reversal of 13111959386741 is 14768395911131.

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 5021655219025 + 8090304167716 = 2240905^2 + 2844346^2 .

It is a cyclic number.

It is not a de Polignac number, because 13111959386741 - 2¹⁴ = 13111959370357 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 (13111959386749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107475076880 + ... + 107475077001.

It is an arithmetic number, because the mean of its divisors is an integer number (3331727385171).

Almost surely, 2^{13111959386741} is an apocalyptic number.

It is an amenable number.

13111959386741 is a deficient number, since it is larger than the sum of its proper divisors (214950153943).

13111959386741 is an equidigital number, since it uses as much as digits as its factorization.

13111959386741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214950153942.

The product of its digits is 4898880, while the sum is 59.

The spelling of 13111959386741 in words is "thirteen trillion, one hundred eleven billion, nine hundred fifty-nine million, three hundred eighty-six thousand, seven hundred forty-one".