109147500018 has 24 divisors (see below), whose sum is σ = 238348351488. Its totient is φ = 36096022872.

The previous prime is 109147499977. The next prime is 109147500041. The reversal of 109147500018 is 810005741901.

109147500018 is a `hidden beast` number, since 1 + 0 + 9 + 147 + 500 + 0 + 1 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23870746 + ... + 23875317.

It is an arithmetic number, because the mean of its divisors is an integer number (9931181312).

Almost surely, 2^109147500018 is an apocalyptic number.

109147500018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109147500018 is an abundant number, since it is smaller than the sum of its proper divisors (129200851470).

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

109147500018 is a wasteful number, since it uses less digits than its factorization.

109147500018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47746198 (or 47746195 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 109147500018 in words is "one hundred nine billion, one hundred forty-seven million, five hundred thousand, eighteen".