6511010085 has 48 divisors (see below), whose sum is σ = 11952330624. Its totient is φ = 3271948416.

The previous prime is 6511010069. The next prime is 6511010089. The reversal of 6511010085 is 5800101156.

6511010085 is a `hidden beast` number, since 651 + 1 + 0 + 1 + 0 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 6511010085 - 2⁴ = 6511010069 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 (6511010089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22399 + ... + 116291.

It is an arithmetic number, because the mean of its divisors is an integer number (249006888).

Almost surely, 2^6511010085 is an apocalyptic number.

It is an amenable number.

6511010085 is a deficient number, since it is larger than the sum of its proper divisors (5441320539).

6511010085 is a wasteful number, since it uses less digits than its factorization.

6511010085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93994 (or 93991 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 6511010085 is about 80690.8302411123. The cubic root of 6511010085 is about 1867.3087087602.

The spelling of 6511010085 in words is "six billion, five hundred eleven million, ten thousand, eighty-five".