109889398528 has 432 divisors, whose sum is σ = 291046926016. Its totient is φ = 40290877440.

The previous prime is 109889398513. The next prime is 109889398537. The reversal of 109889398528 is 825893988901.

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 47 ways as a sum of consecutive naturals, for example, 455972488 + ... + 455972728.

Almost surely, 2^109889398528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109889398528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145523463008).

109889398528 is an abundant number, since it is smaller than the sum of its proper divisors (181157527488).

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

109889398528 is a wasteful number, since it uses less digits than its factorization.

109889398528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 70.

The spelling of 109889398528 in words is "one hundred nine billion, eight hundred eighty-nine million, three hundred ninety-eight thousand, five hundred twenty-eight".