100000686105 has 32 divisors (see below), whose sum is σ = 177808225920. Its totient is φ = 53324930880.

The previous prime is 100000686101. The next prime is 100000686113. The reversal of 100000686105 is 501686000001.

It is not a de Polignac number, because 100000686105 - 2² = 100000686101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100000686101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 809154 + ... + 924516.

It is an arithmetic number, because the mean of its divisors is an integer number (5556507060).

Almost surely, 2^100000686105 is an apocalyptic number.

100000686105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100000686105 is a deficient number, since it is larger than the sum of its proper divisors (77807539815).

100000686105 is a wasteful number, since it uses less digits than its factorization.

100000686105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121798 (or 121792 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 100000686105 its reverse (501686000001), we get a palindrome (601686686106).

The spelling of 100000686105 in words is "one hundred billion, six hundred eighty-six thousand, one hundred five".