100505555055505 has 8 divisors (see below), whose sum is σ = 120609811108224. Its totient is φ = 80402347350000.

The previous prime is 100505555055419. The next prime is 100505555055511. The reversal of 100505555055505 is 505550555505001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100505555055505 - 2¹¹ = 100505555053457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 261875871 + ... + 262259380.

It is an arithmetic number, because the mean of its divisors is an integer number (15076226388528).

Almost surely, 2^{100505555055505} is an apocalyptic number.

It is an amenable number.

100505555055505 is a deficient number, since it is larger than the sum of its proper divisors (20104256052719).

100505555055505 is an equidigital number, since it uses as much as digits as its factorization.

100505555055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524173607.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 100505555055505 in words is "one hundred trillion, five hundred five billion, five hundred fifty-five million, fifty-five thousand, five hundred five".