505250255500 has 48 divisors (see below), whose sum is σ = 1103550948864. Its totient is φ = 202084646400.

The previous prime is 505250255491. The next prime is 505250255501. The reversal of 505250255500 is 5552052505.

It is not an unprimeable number, because it can be changed into a prime (505250255501) 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 15 ways as a sum of consecutive naturals, for example, 8306197 + ... + 8366803.

It is an arithmetic number, because the mean of its divisors is an integer number (22990644768).

Almost surely, 2^505250255500 is an apocalyptic number.

505250255500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505250255500 is an abundant number, since it is smaller than the sum of its proper divisors (598300693364).

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

505250255500 is a wasteful number, since it uses less digits than its factorization.

505250255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77299 (or 77287 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 505250255500 in words is "five hundred five billion, two hundred fifty million, two hundred fifty-five thousand, five hundred".