6215115885 has 64 divisors (see below), whose sum is σ = 11163930624. Its totient is φ = 2926022400.

The previous prime is 6215115883. The next prime is 6215115931. The reversal of 6215115885 is 5885115126.

It is not a de Polignac number, because 6215115885 - 2¹ = 6215115883 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 (6215115883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5048220 + ... + 5049450.

It is an arithmetic number, because the mean of its divisors is an integer number (174436416).

Almost surely, 2^6215115885 is an apocalyptic number.

It is an amenable number.

6215115885 is a deficient number, since it is larger than the sum of its proper divisors (4948814739).

6215115885 is a wasteful number, since it uses less digits than its factorization.

6215115885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its digits is 96000, while the sum is 42.

The square root of 6215115885 is about 78836.0062725148. The cubic root of 6215115885 is about 1838.5823087474.

The spelling of 6215115885 in words is "six billion, two hundred fifteen million, one hundred fifteen thousand, eight hundred eighty-five".