2065106505 has 64 divisors (see below), whose sum is σ = 4187160576. Its totient is φ = 844128000.

The previous prime is 2065106471. The next prime is 2065106513. The reversal of 2065106505 is 5056015602.

It is not a de Polignac number, because 2065106505 - 2⁹ = 2065105993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55800 + ... + 85110.

It is an arithmetic number, because the mean of its divisors is an integer number (65424384).

Almost surely, 2^2065106505 is an apocalyptic number.

It is an amenable number.

2065106505 is an abundant number, since it is smaller than the sum of its proper divisors (2122054071).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065106505 is a wasteful number, since it uses less digits than its factorization.

2065106505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29398.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2065106505 is about 45443.4429263453. The cubic root of 2065106505 is about 1273.4468346251.

The spelling of 2065106505 in words is "two billion, sixty-five million, one hundred six thousand, five hundred five".