109209158000 has 160 divisors (see below), whose sum is σ = 271568868480. Its totient is φ = 42451200000.

The previous prime is 109209157987. The next prime is 109209158017. The reversal of 109209158000 is 851902901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22055525 + ... + 22060475.

It is an arithmetic number, because the mean of its divisors is an integer number (1697305428).

Almost surely, 2^109209158000 is an apocalyptic number.

109209158000 is a gapful number since it is divisible by the number (10) 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 109209158000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135784434240).

109209158000 is an abundant number, since it is smaller than the sum of its proper divisors (162359710480).

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

109209158000 is a wasteful number, since it uses less digits than its factorization.

109209158000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284 (or 5268 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 109209158000 in words is "one hundred nine billion, two hundred nine million, one hundred fifty-eight thousand".