109144067815808 has 64 divisors (see below), whose sum is σ = 217895605880400. Its totient is φ = 54456619886592.

The previous prime is 109144067815747. The next prime is 109144067815841. The reversal of 109144067815808 is 808518760441901.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182808398 + ... + 183404466.

Almost surely, 2^{109144067815808} is an apocalyptic number.

It is an amenable number.

109144067815808 is a deficient number, since it is larger than the sum of its proper divisors (108751538064592).

109144067815808 is an equidigital number, since it uses as much as digits as its factorization.

109144067815808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599107 (or 599095 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 109144067815808 in words is "one hundred nine trillion, one hundred forty-four billion, sixty-seven million, eight hundred fifteen thousand, eight hundred eight".