605560000505 has 4 divisors (see below), whose sum is σ = 726672000612. Its totient is φ = 484448000400.

The previous prime is 605560000501. The next prime is 605560000561. The reversal of 605560000505 is 505000065506.

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 399388608784 + 206171391721 = 631972^2 + 454061^2 .

It is not a de Polignac number, because 605560000505 - 2² = 605560000501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605560000501) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 60556000046 + ... + 60556000055.

It is an arithmetic number, because the mean of its divisors is an integer number (181668000153).

Almost surely, 2^605560000505 is an apocalyptic number.

It is an amenable number.

605560000505 is a deficient number, since it is larger than the sum of its proper divisors (121112000107).

605560000505 is a wasteful number, since it uses less digits than its factorization.

605560000505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121112000106.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 605560000505 in words is "six hundred five billion, five hundred sixty million, five hundred five", and thus it is an aban number.