109049745079 has 16 divisors (see below), whose sum is σ = 128026154016. Its totient is φ = 91775001600.

The previous prime is 109049745071. The next prime is 109049745109. The reversal of 109049745079 is 970547940901.

It is a cyclic number.

It is not a de Polignac number, because 109049745079 - 2³ = 109049745071 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 (109049745071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4768542 + ... + 4791355.

It is an arithmetic number, because the mean of its divisors is an integer number (8001634626).

Almost surely, 2^109049745079 is an apocalyptic number.

109049745079 is a deficient number, since it is larger than the sum of its proper divisors (18976408937).

109049745079 is a wasteful number, since it uses less digits than its factorization.

109049745079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559986.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 109049745079 in words is "one hundred nine billion, forty-nine million, seven hundred forty-five thousand, seventy-nine".