100555105605105 has 16 divisors (see below), whose sum is σ = 170352178907904. Its totient is φ = 50474719676160.

The previous prime is 100555105605091. The next prime is 100555105605127. The reversal of 100555105605105 is 501506501555001.

It is not a de Polignac number, because 100555105605105 - 2²⁸ = 100554837169649 is a prime.

It is a super-2 number, since 2×100555105605105² (a number of 29 digits) contains 22 as substring.

It is a Curzon 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, 197166873481 + ... + 197166873990.

It is an arithmetic number, because the mean of its divisors is an integer number (10647011181744).

Almost surely, 2^{100555105605105} is an apocalyptic number.

100555105605105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100555105605105 is a deficient number, since it is larger than the sum of its proper divisors (69797073302799).

100555105605105 is a wasteful number, since it uses less digits than its factorization.

100555105605105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394333747496.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 100555105605105 in words is "one hundred trillion, five hundred fifty-five billion, one hundred five million, six hundred five thousand, one hundred five".