1016105121063 has 6 divisors (see below), whose sum is σ = 1467707397104. Its totient is φ = 677403414036.

The previous prime is 1016105121047. The next prime is 1016105121071. The reversal of 1016105121063 is 3601215016101.

It is not a de Polignac number, because 1016105121063 - 2⁴ = 1016105121047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016105121263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56450284495 + ... + 56450284512.

Almost surely, 2^{1016105121063} is an apocalyptic number.

1016105121063 is a deficient number, since it is larger than the sum of its proper divisors (451602276041).

1016105121063 is a wasteful number, since it uses less digits than its factorization.

1016105121063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112900569013 (or 112900569010 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 1016105121063 in words is "one trillion, sixteen billion, one hundred five million, one hundred twenty-one thousand, sixty-three".