13411120317517 has 4 divisors (see below), whose sum is σ = 14442744957340. Its totient is φ = 12379495677696.

The previous prime is 13411120317461. The next prime is 13411120317571. The reversal of 13411120317517 is 71571302111431.

It is a happy number.

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 3958902110601 + 9452218206916 = 1989699^2 + 3074446^2 .

It is a cyclic number.

It is not a de Polignac number, because 13411120317517 - 2²⁷ = 13410986099789 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 (13411120317577) 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, 515812319892 + ... + 515812319917.

It is an arithmetic number, because the mean of its divisors is an integer number (3610686239335).

Almost surely, 2^{13411120317517} is an apocalyptic number.

It is an amenable number.

13411120317517 is a deficient number, since it is larger than the sum of its proper divisors (1031624639823).

13411120317517 is a wasteful number, since it uses less digits than its factorization.

13411120317517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031624639822.

The product of its (nonzero) digits is 17640, while the sum is 37.

Adding to 13411120317517 its reverse (71571302111431), we get a palindrome (84982422428948).

The spelling of 13411120317517 in words is "thirteen trillion, four hundred eleven billion, one hundred twenty million, three hundred seventeen thousand, five hundred seventeen".