1022865079115 has 16 divisors (see below), whose sum is σ = 1350873148896. Its totient is φ = 737318668800.

The previous prime is 1022865079111. The next prime is 1022865079123. The reversal of 1022865079115 is 5119705682201.

It is a happy number.

It is not a de Polignac number, because 1022865079115 - 2² = 1022865079111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022865079115.

It is not an unprimeable number, because it can be changed into a prime (1022865079111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82283816 + ... + 82296245.

It is an arithmetic number, because the mean of its divisors is an integer number (84429571806).

Almost surely, 2^{1022865079115} is an apocalyptic number.

1022865079115 is a deficient number, since it is larger than the sum of its proper divisors (328008069781).

1022865079115 is a wasteful number, since it uses less digits than its factorization.

1022865079115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164580190.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 1022865079115 in words is "one trillion, twenty-two billion, eight hundred sixty-five million, seventy-nine thousand, one hundred fifteen".