6865312105 has 16 divisors (see below), whose sum is σ = 8316854784. Its totient is φ = 5440167360.

The previous prime is 6865312033. The next prime is 6865312133. The reversal of 6865312105 is 5012135686.

It is a de Polignac number, because none of the positive numbers 2^k-6865312105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219772 + ... + 249058.

It is an arithmetic number, because the mean of its divisors is an integer number (519803424).

Almost surely, 2^6865312105 is an apocalyptic number.

It is an amenable number.

6865312105 is a deficient number, since it is larger than the sum of its proper divisors (1451542679).

6865312105 is a wasteful number, since it uses less digits than its factorization.

6865312105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29736.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6865312105 is about 82857.1789587360. The cubic root of 6865312105 is about 1900.5826564836.

The spelling of 6865312105 in words is "six billion, eight hundred sixty-five million, three hundred twelve thousand, one hundred five".