13405533055505 has 8 divisors (see below), whose sum is σ = 16109919901824. Its totient is φ = 10708906287600.

The previous prime is 13405533055477. The next prime is 13405533055553. The reversal of 13405533055505 is 50555033550431.

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

It is not a de Polignac number, because 13405533055505 - 2¹⁸ = 13405532793361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1940015801 + ... + 1940022710.

It is an arithmetic number, because the mean of its divisors is an integer number (2013739987728).

Almost surely, 2^{13405533055505} is an apocalyptic number.

It is an amenable number.

13405533055505 is a deficient number, since it is larger than the sum of its proper divisors (2704386846319).

13405533055505 is an equidigital number, since it uses as much as digits as its factorization.

13405533055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880039207.

The product of its (nonzero) digits is 1687500, while the sum is 44.

The spelling of 13405533055505 in words is "thirteen trillion, four hundred five billion, five hundred thirty-three million, fifty-five thousand, five hundred five".