100505555055504 has 120 divisors (see below), whose sum is σ = 281665322265600. Its totient is φ = 33455488734720.

The previous prime is 100505555055419. The next prime is 100505555055511. The reversal of 100505555055504 is 405550555505001.

It is a self number, because there is not a number n which added to its sum of digits gives 100505555055504.

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, 833934609 + ... + 834055119.

It is an arithmetic number, because the mean of its divisors is an integer number (2347211018880).

Almost surely, 2^{100505555055504} is an apocalyptic number.

It is an amenable number.

100505555055504 is an abundant number, since it is smaller than the sum of its proper divisors (181159767210096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100505555055504 is a wasteful number, since it uses less digits than its factorization.

100505555055504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128493 (or 128484 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 45.

The spelling of 100505555055504 in words is "one hundred trillion, five hundred five billion, five hundred fifty-five million, fifty-five thousand, five hundred four".