505252505082 has 32 divisors (see below), whose sum is σ = 1088419969728. Its totient is φ = 155436051456.

The previous prime is 505252505039. The next prime is 505252505099. The reversal of 505252505082 is 280505252505.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 505252505082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79728 + ... + 1008395.

It is an arithmetic number, because the mean of its divisors is an integer number (34013124054).

Almost surely, 2^505252505082 is an apocalyptic number.

505252505082 is an abundant number, since it is smaller than the sum of its proper divisors (583167464646).

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

505252505082 is a wasteful number, since it uses less digits than its factorization.

505252505082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094094.

The product of its (nonzero) digits is 200000, while the sum is 39.

Adding to 505252505082 its reverse (280505252505), we get a palindrome (785757757587).

The spelling of 505252505082 in words is "five hundred five billion, two hundred fifty-two million, five hundred five thousand, eighty-two".