100555005505505 has 64 divisors (see below), whose sum is σ = 124381455744000. Its totient is φ = 78013497600000.

The previous prime is 100555005505499. The next prime is 100555005505517. The reversal of 100555005505505 is 505505500555001.

It is not a de Polignac number, because 100555005505505 - 2⁸ = 100555005505249 is a prime.

It is a super-2 number, since 2×100555005505505² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5762786021 + ... + 5762803469.

It is an arithmetic number, because the mean of its divisors is an integer number (1943460246000).

Almost surely, 2^{100555005505505} is an apocalyptic number.

It is an amenable number.

100555005505505 is a deficient number, since it is larger than the sum of its proper divisors (23826450238495).

100555005505505 is a wasteful number, since it uses less digits than its factorization.

100555005505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18586.

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 100555005505505 in words is "one hundred trillion, five hundred fifty-five billion, five million, five hundred five thousand, five hundred five".