505305255500 has 24 divisors (see below), whose sum is σ = 1103586679104. Its totient is φ = 202122102000.

The previous prime is 505305255467. The next prime is 505305255527. The reversal of 505305255500 is 5552503505.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 505304756 + ... + 505305755.

It is an arithmetic number, because the mean of its divisors is an integer number (45982778296).

Almost surely, 2^505305255500 is an apocalyptic number.

505305255500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505305255500 is an abundant number, since it is smaller than the sum of its proper divisors (598281423604).

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

505305255500 is a wasteful number, since it uses less digits than its factorization.

505305255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010610530 (or 1010610518 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 35.

The spelling of 505305255500 in words is "five hundred five billion, three hundred five million, two hundred fifty-five thousand, five hundred".