109171125800 has 48 divisors (see below), whose sum is σ = 276897679200. Its totient is φ = 39698590400.

The previous prime is 109171125781. The next prime is 109171125809. The reversal of 109171125800 is 8521171901.

It is not an unprimeable number, because it can be changed into a prime (109171125809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24809420 + ... + 24813819.

It is an arithmetic number, because the mean of its divisors is an integer number (5768701650).

Almost surely, 2^109171125800 is an apocalyptic number.

109171125800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109171125800 is an abundant number, since it is smaller than the sum of its proper divisors (167726553400).

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

109171125800 is a wasteful number, since it uses less digits than its factorization.

109171125800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49623266 (or 49623257 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 35.

The spelling of 109171125800 in words is "one hundred nine billion, one hundred seventy-one million, one hundred twenty-five thousand, eight hundred".