13405504240055 has 8 divisors (see below), whose sum is σ = 16087233600144. Its totient is φ = 10723984384000.

The previous prime is 13405504240027. The next prime is 13405504240087. The reversal of 13405504240055 is 55004240550431.

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

It is not a de Polignac number, because 13405504240055 - 2¹⁰ = 13405504239031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52235201 + ... + 52491210.

It is an arithmetic number, because the mean of its divisors is an integer number (2010904200018).

Almost surely, 2^{13405504240055} is an apocalyptic number.

13405504240055 is a deficient number, since it is larger than the sum of its proper divisors (2681729360089).

13405504240055 is a wasteful number, since it uses less digits than its factorization.

13405504240055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104752017.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 13405504240055 its reverse (55004240550431), we get a palindrome (68409744790486).

The spelling of 13405504240055 in words is "thirteen trillion, four hundred five billion, five hundred four million, two hundred forty thousand, fifty-five".