5605807505 has 4 divisors (see below), whose sum is σ = 6726969012. Its totient is φ = 4484646000.

The previous prime is 5605807447. The next prime is 5605807577. The reversal of 5605807505 is 5057085065.

5605807505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1338974464 + 4266833041 = 36592^2 + 65321^2 .

It is not a de Polignac number, because 5605807505 - 2²² = 5601613201 is a prime.

It is a super-2 number, since 2×5605807505² = 62850155566228650050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 560580746 + ... + 560580755.

It is an arithmetic number, because the mean of its divisors is an integer number (1681742253).

Almost surely, 2^5605807505 is an apocalyptic number.

It is an amenable number.

5605807505 is a deficient number, since it is larger than the sum of its proper divisors (1121161507).

5605807505 is a wasteful number, since it uses less digits than its factorization.

5605807505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121161506.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 5605807505 is about 74871.9407054472. The cubic root of 5605807505 is about 1776.4216612745.

The spelling of 5605807505 in words is "five billion, six hundred five million, eight hundred seven thousand, five hundred five".