109599921792 has 96 divisors (see below), whose sum is σ = 326260642500. Its totient is φ = 35273527296.

The previous prime is 109599921731. The next prime is 109599921811. The reversal of 109599921792 is 297129995901.

109599921792 is a `hidden beast` number, since 10 + 9 + 599 + 9 + 21 + 7 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 106834844736 + 2765077056 = 326856^2 + 52584^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606917 + ... + 1673732.

Almost surely, 2^109599921792 is an apocalyptic number.

109599921792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109599921792 is an abundant number, since it is smaller than the sum of its proper divisors (216660720708).

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

109599921792 is a wasteful number, since it uses less digits than its factorization.

109599921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280698 (or 3280683 counting only the distinct ones).

The product of its (nonzero) digits is 8266860, while the sum is 63.

The spelling of 109599921792 in words is "one hundred nine billion, five hundred ninety-nine million, nine hundred twenty-one thousand, seven hundred ninety-two".