100500500500 has 48 divisors (see below), whose sum is σ = 227061853200. Its totient is φ = 38813980800.

The previous prime is 100500500489. The next prime is 100500500501. The reversal of 100500500500 is 5005005001.

It can be written as a sum of positive squares in 8 ways, for example, as 31632045316 + 68868455184 = 177854^2 + 262428^2 .

100500500500 is a modest number, since divided by 500500 gives 100500 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100500500501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451035 + ... + 3480034.

It is an arithmetic number, because the mean of its divisors is an integer number (4730455275).

Almost surely, 2^100500500500 is an apocalyptic number.

100500500500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100500500500 is an abundant number, since it is smaller than the sum of its proper divisors (126561352700).

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

100500500500 is a wasteful number, since it uses less digits than its factorization.

100500500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931117 (or 6931105 counting only the distinct ones).

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

Adding to 100500500500 its reverse (5005005001), we get a palindrome (105505505501).

The spelling of 100500500500 in words is "one hundred billion, five hundred million, five hundred thousand, five hundred".