117105500 has 24 divisors (see below), whose sum is σ = 255759504. Its totient is φ = 46842000.

The previous prime is 117105497. The next prime is 117105511. The reversal of 117105500 is 5501711.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 116606 + ... + 117605.

It is an arithmetic number, because the mean of its divisors is an integer number (10656646).

Almost surely, 2^117105500 is an apocalyptic number.

117105500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117105500 is an abundant number, since it is smaller than the sum of its proper divisors (138654004).

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

117105500 is a wasteful number, since it uses less digits than its factorization.

117105500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234230 (or 234218 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 117105500 is about 10821.5294667621. The cubic root of 117105500 is about 489.2442883722.

The spelling of 117105500 in words is "one hundred seventeen million, one hundred five thousand, five hundred".