6311912085 has 48 divisors (see below), whose sum is σ = 11046043008. Its totient is φ = 3334032000.

The previous prime is 6311912071. The next prime is 6311912107. The reversal of 6311912085 is 5802191136.

6311912085 is a `hidden beast` number, since 631 + 1 + 9 + 12 + 0 + 8 + 5 = 666.

It is not a de Polignac number, because 6311912085 - 2⁴ = 6311912069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4850935 + ... + 4852235.

It is an arithmetic number, because the mean of its divisors is an integer number (230125896).

Almost surely, 2^6311912085 is an apocalyptic number.

It is an amenable number.

6311912085 is a deficient number, since it is larger than the sum of its proper divisors (4734130923).

6311912085 is a wasteful number, since it uses less digits than its factorization.

6311912085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 6311912085 is about 79447.5429764823. The cubic root of 6311912085 is about 1848.0780707516.

The spelling of 6311912085 in words is "six billion, three hundred eleven million, nine hundred twelve thousand, eighty-five".