1108869121893 has 16 divisors (see below), whose sum is σ = 1602363881216. Its totient is φ = 678034618560.

The previous prime is 1108869121831. The next prime is 1108869121901. The reversal of 1108869121893 is 3981219688011.

It is not a de Polignac number, because 1108869121893 - 2⁸ = 1108869121637 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 (1108869191893) 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, 90543373 + ... + 90555618.

It is an arithmetic number, because the mean of its divisors is an integer number (100147742576).

Almost surely, 2^{1108869121893} is an apocalyptic number.

1108869121893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1108869121893 is a deficient number, since it is larger than the sum of its proper divisors (493494759323).

1108869121893 is a wasteful number, since it uses less digits than its factorization.

1108869121893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181099164.

The product of its (nonzero) digits is 1492992, while the sum is 57.

The spelling of 1108869121893 in words is "one trillion, one hundred eight billion, eight hundred sixty-nine million, one hundred twenty-one thousand, eight hundred ninety-three".