100544555055 has 48 divisors (see below), whose sum is σ = 187172917344. Its totient is φ = 45954155520.

The previous prime is 100544555029. The next prime is 100544555057. The reversal of 100544555055 is 550555445001.

It is not a de Polignac number, because 100544555055 - 2⁹ = 100544554543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544555057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4959219 + ... + 4979451.

It is an arithmetic number, because the mean of its divisors is an integer number (3899435778).

Almost surely, 2^100544555055 is an apocalyptic number.

100544555055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100544555055 is a deficient number, since it is larger than the sum of its proper divisors (86628362289).

100544555055 is a wasteful number, since it uses less digits than its factorization.

100544555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27016 (or 27009 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 39.

The spelling of 100544555055 in words is "one hundred billion, five hundred forty-four million, five hundred fifty-five thousand, fifty-five".