100505500 has 24 divisors (see below), whose sum is σ = 219505104. Its totient is φ = 40202000.

The previous prime is 100505467. The next prime is 100505527. The reversal of 100505500 is 5505001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100006 + ... + 101005.

It is an arithmetic number, because the mean of its divisors is an integer number (9146046).

Almost surely, 2^100505500 is an apocalyptic number.

100505500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100505500 is an abundant number, since it is smaller than the sum of its proper divisors (118999604).

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

100505500 is a wasteful number, since it uses less digits than its factorization.

100505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201030 (or 201018 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 100505500 is about 10025.2431391962. The cubic root of 100505500 is about 464.9396769168.

The spelling of 100505500 in words is "one hundred million, five hundred five thousand, five hundred".