100860805105 has 16 divisors (see below), whose sum is σ = 121317352128. Its totient is φ = 80499160000.

The previous prime is 100860805103. The next prime is 100860805141. The reversal of 100860805105 is 501508068001.

It is not a de Polignac number, because 100860805105 - 2¹ = 100860805103 is a prime.

It is a super-2 number, since 2×100860805105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100860805103) 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, 15048255 + ... + 15054955.

It is an arithmetic number, because the mean of its divisors is an integer number (7582334508).

Almost surely, 2^100860805105 is an apocalyptic number.

It is an amenable number.

100860805105 is a deficient number, since it is larger than the sum of its proper divisors (20456547023).

100860805105 is an equidigital number, since it uses as much as digits as its factorization.

100860805105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13328.

The product of its (nonzero) digits is 9600, while the sum is 34.

The spelling of 100860805105 in words is "one hundred billion, eight hundred sixty million, eight hundred five thousand, one hundred five".