1022865079116 has 48 divisors (see below), whose sum is σ = 2542568918400. Its totient is φ = 319118332032.

The previous prime is 1022865079111. The next prime is 1022865079123. The reversal of 1022865079116 is 6119705682201.

It is a happy number.

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, 27006681 + ... + 27044528.

It is an arithmetic number, because the mean of its divisors is an integer number (52970185800).

Almost surely, 2^{1022865079116} is an apocalyptic number.

It is an amenable number.

1022865079116 is an abundant number, since it is smaller than the sum of its proper divisors (1519703839284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022865079116 is a wasteful number, since it uses less digits than its factorization.

1022865079116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54051318 (or 54051316 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 1022865079116 in words is "one trillion, twenty-two billion, eight hundred sixty-five million, seventy-nine thousand, one hundred sixteen".