109180128928 has 48 divisors (see below), whose sum is σ = 239465063880. Its totient is φ = 48653208576.

The previous prime is 109180128923. The next prime is 109180128943. The reversal of 109180128928 is 829821081901.

It is a happy number.

109180128928 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 91220912784 + 17959216144 = 302028^2 + 134012^2 .

It is not an unprimeable number, because it can be changed into a prime (109180128923) by changing a digit.

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, 4512975 + ... + 4537102.

Almost surely, 2^109180128928 is an apocalyptic number.

It is an amenable number.

109180128928 is an abundant number, since it is smaller than the sum of its proper divisors (130284934952).

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

109180128928 is a wasteful number, since it uses less digits than its factorization.

109180128928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050129 (or 9050121 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 49.

The spelling of 109180128928 in words is "one hundred nine billion, one hundred eighty million, one hundred twenty-eight thousand, nine hundred twenty-eight".