6505055005 has 4 divisors (see below), whose sum is σ = 7806066012. Its totient is φ = 5204044000.

The previous prime is 6505054967. The next prime is 6505055009. The reversal of 6505055005 is 5005505056.

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 2724526809 + 3780528196 = 52197^2 + 61486^2 .

It is not a de Polignac number, because 6505055005 - 2²⁹ = 5968184093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505055009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650505496 + ... + 650505505.

It is an arithmetic number, because the mean of its divisors is an integer number (1951516503).

Almost surely, 2^6505055005 is an apocalyptic number.

It is an amenable number.

6505055005 is a deficient number, since it is larger than the sum of its proper divisors (1301011007).

6505055005 is a wasteful number, since it uses less digits than its factorization.

6505055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301011006.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 6505055005 is about 80653.9212003979. The cubic root of 6505055005 is about 1866.7392443968.

The spelling of 6505055005 in words is "six billion, five hundred five million, fifty-five thousand, five".