100385020605 has 16 divisors (see below), whose sum is σ = 164957007744. Its totient is φ = 52091686080.

The previous prime is 100385020597. The next prime is 100385020633. The reversal of 100385020605 is 506020583001.

It is not a de Polignac number, because 100385020605 - 2³ = 100385020597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90436401 + ... + 90437510.

It is an arithmetic number, because the mean of its divisors is an integer number (10309812984).

Almost surely, 2^100385020605 is an apocalyptic number.

100385020605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100385020605 is a deficient number, since it is larger than the sum of its proper divisors (64571987139).

100385020605 is a wasteful number, since it uses less digits than its factorization.

100385020605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180873956.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 100385020605 in words is "one hundred billion, three hundred eighty-five million, twenty thousand, six hundred five".