8221015136065 has 16 divisors (see below), whose sum is σ = 10102342636800. Its totient is φ = 6420599932032.

The previous prime is 8221015136053. The next prime is 8221015136107. The reversal of 8221015136065 is 5606315101228.

It is a cyclic number.

It is not a de Polignac number, because 8221015136065 - 2¹⁵ = 8221015103297 is a prime.

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, 116890107 + ... + 116960416.

It is an arithmetic number, because the mean of its divisors is an integer number (631396414800).

Almost surely, 2^{8221015136065} is an apocalyptic number.

It is an amenable number.

8221015136065 is a deficient number, since it is larger than the sum of its proper divisors (1881327500735).

8221015136065 is a wasteful number, since it uses less digits than its factorization.

8221015136065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233850696.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 8221015136065 in words is "eight trillion, two hundred twenty-one billion, fifteen million, one hundred thirty-six thousand, sixty-five".