2215808862986 has 16 divisors (see below), whose sum is σ = 3468368160000. Its totient is φ = 1059690187248.

The previous prime is 2215808862947. The next prime is 2215808862997. The reversal of 2215808862986 is 6892688085122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110015 + ... + 2108013.

It is an arithmetic number, because the mean of its divisors is an integer number (216773010000).

Almost surely, 2^{2215808862986} is an apocalyptic number.

2215808862986 is a deficient number, since it is larger than the sum of its proper divisors (1252559297014).

2215808862986 is a wasteful number, since it uses less digits than its factorization.

2215808862986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022133.

The product of its (nonzero) digits is 53084160, while the sum is 65.

The spelling of 2215808862986 in words is "two trillion, two hundred fifteen billion, eight hundred eight million, eight hundred sixty-two thousand, nine hundred eighty-six".