6505105061 has 8 divisors (see below), whose sum is σ = 8006283264. Its totient is φ = 5146896240.

The previous prime is 6505105049. The next prime is 6505105091. The reversal of 6505105061 is 1605015056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6505105061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505105021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35742245 + ... + 35742426.

It is an arithmetic number, because the mean of its divisors is an integer number (1000785408).

Almost surely, 2^6505105061 is an apocalyptic number.

It is an amenable number.

6505105061 is a deficient number, since it is larger than the sum of its proper divisors (1501178203).

6505105061 is a wasteful number, since it uses less digits than its factorization.

6505105061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71484691.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 6505105061 is about 80654.2315132938. The cubic root of 6505105061 is about 1866.7440325325.

The spelling of 6505105061 in words is "six billion, five hundred five million, one hundred five thousand, sixty-one".