13513454144105 has 8 divisors (see below), whose sum is σ = 16262083062792. Its totient is φ = 10780137922048.

The previous prime is 13513454144101. The next prime is 13513454144111. The reversal of 13513454144105 is 50144145431531.

It can be written as a sum of positive squares in 4 ways, for example, as 1250346639721 + 12263107504384 = 1118189^2 + 3501872^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13513454144105 - 2² = 13513454144101 is a prime.

It is a super-2 number, since 2×13513454144105² (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 (13513454144101) 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, 3828172214 + ... + 3828175743.

It is an arithmetic number, because the mean of its divisors is an integer number (2032760382849).

Almost surely, 2^{13513454144105} is an apocalyptic number.

It is an amenable number.

13513454144105 is a deficient number, since it is larger than the sum of its proper divisors (2748628918687).

13513454144105 is an equidigital number, since it uses as much as digits as its factorization.

13513454144105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656348315.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 13513454144105 its reverse (50144145431531), we get a palindrome (63657599575636).

The spelling of 13513454144105 in words is "thirteen trillion, five hundred thirteen billion, four hundred fifty-four million, one hundred forty-four thousand, one hundred five".