100555005055501 has 4 divisors (see below), whose sum is σ = 100565175491712. Its totient is φ = 100544834619292.

The previous prime is 100555005055367. The next prime is 100555005055513. The reversal of 100555005055501 is 105550500555001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100555005055501 - 2¹¹ = 100555005053453 is a prime.

It is a super-4 number, since 4×100555005055501⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555005055591) 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 3 ways as a sum of consecutive naturals, for example, 5085203275 + ... + 5085223048.

It is an arithmetic number, because the mean of its divisors is an integer number (25141293872928).

Almost surely, 2^{100555005055501} is an apocalyptic number.

It is an amenable number.

100555005055501 is a deficient number, since it is larger than the sum of its proper divisors (10170436211).

100555005055501 is an equidigital number, since it uses as much as digits as its factorization.

100555005055501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170436210.

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 100555005055501 in words is "one hundred trillion, five hundred fifty-five billion, five million, fifty-five thousand, five hundred one".