109389159936 has 960 divisors, whose sum is σ = 402662227968. Its totient is φ = 28970016768.

The previous prime is 109389159917. The next prime is 109389159953. The reversal of 109389159936 is 639951983901.

It is a happy number.

109389159936 is a `hidden beast` number, since 1 + 0 + 9 + 3 + 8 + 9 + 1 + 599 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 861331905 + ... + 861332031.

Almost surely, 2^109389159936 is an apocalyptic number.

109389159936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109389159936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201331113984).

109389159936 is an abundant number, since it is smaller than the sum of its proper divisors (293273068032).

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

109389159936 is an equidigital number, since it uses as much as digits as its factorization.

109389159936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 63.

The spelling of 109389159936 in words is "one hundred nine billion, three hundred eighty-nine million, one hundred fifty-nine thousand, nine hundred thirty-six".