5120105205 has 16 divisors (see below), whose sum is σ = 8194356864. Its totient is φ = 2729993280.

The previous prime is 5120105197. The next prime is 5120105209. The reversal of 5120105205 is 5025010215.

It is not a de Polignac number, because 5120105205 - 2³ = 5120105197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120105209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15027 + ... + 102303.

It is an arithmetic number, because the mean of its divisors is an integer number (512147304).

Almost surely, 2^5120105205 is an apocalyptic number.

It is an amenable number.

5120105205 is a deficient number, since it is larger than the sum of its proper divisors (3074251659).

5120105205 is a wasteful number, since it uses less digits than its factorization.

5120105205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91196.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 5120105205 is about 71554.9104185031. The cubic root of 5120105205 is about 1723.5595570124.

The spelling of 5120105205 in words is "five billion, one hundred twenty million, one hundred five thousand, two hundred five".