505203103116 has 18 divisors (see below), whose sum is σ = 1277041177412. Its totient is φ = 168401034360.

The previous prime is 505203103091. The next prime is 505203103121. The reversal of 505203103116 is 611301302505.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 505203103116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7016709730 + ... + 7016709801.

Almost surely, 2^505203103116 is an apocalyptic number.

It is an amenable number.

505203103116 is an abundant number, since it is smaller than the sum of its proper divisors (771838074296).

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

505203103116 is a wasteful number, since it uses less digits than its factorization.

505203103116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14033419541 (or 14033419536 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 505203103116 in words is "five hundred five billion, two hundred three million, one hundred three thousand, one hundred sixteen".