605105105505 has 8 divisors (see below), whose sum is σ = 968168168832. Its totient is φ = 322722722928.

The previous prime is 605105105503. The next prime is 605105105537. The reversal of 605105105505 is 505501501506.

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

It is not a de Polignac number, because 605105105505 - 2¹ = 605105105503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (605105105503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20170170169 + ... + 20170170198.

It is an arithmetic number, because the mean of its divisors is an integer number (121021021104).

Almost surely, 2^605105105505 is an apocalyptic number.

It is an amenable number.

605105105505 is a deficient number, since it is larger than the sum of its proper divisors (363063063327).

605105105505 is a wasteful number, since it uses less digits than its factorization.

605105105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340340375.

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 605105105505 in words is "six hundred five billion, one hundred five million, one hundred five thousand, five hundred five".