100000018105 has 16 divisors (see below), whose sum is σ = 129265093440. Its totient is φ = 73826566848.

The previous prime is 100000018103. The next prime is 100000018121. The reversal of 100000018105 is 501810000001.

It is a cyclic number.

It is not a de Polignac number, because 100000018105 - 2¹ = 100000018103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100000018103) 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, 44926 + ... + 449464.

It is an arithmetic number, because the mean of its divisors is an integer number (8079068340).

Almost surely, 2^100000018105 is an apocalyptic number.

It is an amenable number.

100000018105 is a deficient number, since it is larger than the sum of its proper divisors (29265075335).

100000018105 is a wasteful number, since it uses less digits than its factorization.

100000018105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408360.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 100000018105 its reverse (501810000001), we get a palindrome (601810018106).

The spelling of 100000018105 in words is "one hundred billion, eighteen thousand, one hundred five".