100105500555 has 24 divisors (see below), whose sum is σ = 173523634128. Its totient is φ = 53387313216.

The previous prime is 100105500503. The next prime is 100105500589. The reversal of 100105500555 is 555005501001.

100105500555 is a `hidden beast` number, since 1 + 0 + 0 + 105 + 5 + 0 + 0 + 555 = 666.

It is not a de Polignac number, because 100105500555 - 2⁶ = 100105500491 is a prime.

It is a super-2 number, since 2×100105500555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1812529 + ... + 1866941.

It is an arithmetic number, because the mean of its divisors is an integer number (7230151422).

Almost surely, 2^100105500555 is an apocalyptic number.

100105500555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100105500555 is a deficient number, since it is larger than the sum of its proper divisors (73418133573).

100105500555 is a wasteful number, since it uses less digits than its factorization.

100105500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95307 (or 95304 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 100105500555 in words is "one hundred billion, one hundred five million, five hundred thousand, five hundred fifty-five".