100555550055 has 12 divisors (see below), whose sum is σ = 174296286840. Its totient is φ = 53629626672.

The previous prime is 100555550021. The next prime is 100555550057. The reversal of 100555550055 is 550055555001.

It is a happy number.

100555550055 is a `hidden beast` number, since 1 + 0 + 0 + 5 + 55 + 550 + 0 + 55 = 666.

It is not a de Polignac number, because 100555550055 - 2²⁰ = 100554501479 is a prime.

It is a super-2 number, since 2×100555550055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555550057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117283845 + ... + 1117283934.

It is an arithmetic number, because the mean of its divisors is an integer number (14524690570).

Almost surely, 2^100555550055 is an apocalyptic number.

100555550055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100555550055 is a deficient number, since it is larger than the sum of its proper divisors (73740736785).

100555550055 is a wasteful number, since it uses less digits than its factorization.

100555550055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234567790 (or 2234567787 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 100555550055 in words is "one hundred billion, five hundred fifty-five million, five hundred fifty thousand, fifty-five".