100500100505 has 8 divisors (see below), whose sum is σ = 137828709312. Its totient is φ = 68914354608.

The previous prime is 100500100471. The next prime is 100500100507. The reversal of 100500100505 is 505001005001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100500100505 - 2⁸ = 100500100249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100500100507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435715687 + ... + 1435715756.

It is an arithmetic number, because the mean of its divisors is an integer number (17228588664).

Almost surely, 2^100500100505 is an apocalyptic number.

It is an amenable number.

100500100505 is a deficient number, since it is larger than the sum of its proper divisors (37328608807).

100500100505 is an equidigital number, since it uses as much as digits as its factorization.

100500100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871431455.

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 100500100505 its reverse (505001005001), we get a palindrome (605501105506).

The spelling of 100500100505 in words is "one hundred billion, five hundred million, one hundred thousand, five hundred five".