6765520005 has 32 divisors (see below), whose sum is σ = 12735100800. Its totient is φ = 3396024576.

The previous prime is 6765519961. The next prime is 6765520007. The reversal of 6765520005 is 5000255676.

It is not a de Polignac number, because 6765520005 - 2⁸ = 6765519749 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 (6765520007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471675 + ... + 1476264.

It is an arithmetic number, because the mean of its divisors is an integer number (397971900).

Almost surely, 2^6765520005 is an apocalyptic number.

It is an amenable number.

6765520005 is a deficient number, since it is larger than the sum of its proper divisors (5969580795).

6765520005 is a wasteful number, since it uses less digits than its factorization.

6765520005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947970 (or 2947964 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 6765520005 is about 82252.7811383907. The cubic root of 6765520005 is about 1891.3289091790.

The spelling of 6765520005 in words is "six billion, seven hundred sixty-five million, five hundred twenty thousand, five".