505506105100 has 36 divisors (see below), whose sum is σ = 1098281292304. Its totient is φ = 201956719680.

The previous prime is 505506105059. The next prime is 505506105109. The reversal of 505506105100 is 1501605505.

It is not an unprimeable number, because it can be changed into a prime (505506105109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2988819 + ... + 3153418.

Almost surely, 2^505506105100 is an apocalyptic number.

505506105100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505506105100 is an abundant number, since it is smaller than the sum of its proper divisors (592775187204).

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

505506105100 is a wasteful number, since it uses less digits than its factorization.

505506105100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143074 (or 6143067 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 505506105100 in words is "five hundred five billion, five hundred six million, one hundred five thousand, one hundred".