13411454540405 has 4 divisors (see below), whose sum is σ = 16093745448492. Its totient is φ = 10729163632320.

The previous prime is 13411454540377. The next prime is 13411454540411. The reversal of 13411454540405 is 50404545411431.

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 7216497813316 + 6194956727089 = 2686354^2 + 2488967^2 .

It is not a de Polignac number, because 13411454540405 - 2²⁰ = 13411453491829 is a prime.

It is a super-2 number, since 2×13411454540405² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341145454036 + ... + 1341145454045.

It is an arithmetic number, because the mean of its divisors is an integer number (4023436362123).

Almost surely, 2^{13411454540405} is an apocalyptic number.

It is an amenable number.

13411454540405 is a deficient number, since it is larger than the sum of its proper divisors (2682290908087).

13411454540405 is an equidigital number, since it uses as much as digits as its factorization.

13411454540405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682290908086.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 13411454540405 its reverse (50404545411431), we get a palindrome (63815999951836).

The spelling of 13411454540405 in words is "thirteen trillion, four hundred eleven billion, four hundred fifty-four million, five hundred forty thousand, four hundred five".