5205105605 has 16 divisors (see below), whose sum is σ = 7284115200. Its totient is φ = 3569214096.

The previous prime is 5205105547. The next prime is 5205105649. The reversal of 5205105605 is 5065015025.

It is not a de Polignac number, because 5205105605 - 2¹⁰ = 5205104581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515809 + ... + 1519238.

It is an arithmetic number, because the mean of its divisors is an integer number (455257200).

Almost surely, 2^5205105605 is an apocalyptic number.

It is an amenable number.

5205105605 is a deficient number, since it is larger than the sum of its proper divisors (2079009595).

5205105605 is an equidigital number, since it uses as much as digits as its factorization.

5205105605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035073 (or 3035059 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 5205105605 is about 72146.4178251422. The cubic root of 5205105605 is about 1733.0450347886.

The spelling of 5205105605 in words is "five billion, two hundred five million, one hundred five thousand, six hundred five".