505055005004 has 96 divisors (see below), whose sum is σ = 986742630720. Its totient is φ = 224280576000.

The previous prime is 505055004967. The next prime is 505055005009. The reversal of 505055005004 is 400500550505.

It is not an unprimeable number, because it can be changed into a prime (505055005009) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 124487744 + ... + 124491800.

It is an arithmetic number, because the mean of its divisors is an integer number (10278569070).

Almost surely, 2^505055005004 is an apocalyptic number.

It is an amenable number.

505055005004 is a deficient number, since it is larger than the sum of its proper divisors (481687625716).

505055005004 is a wasteful number, since it uses less digits than its factorization.

505055005004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

Adding to 505055005004 its reverse (400500550505), we get a palindrome (905555555509).

The spelling of 505055005004 in words is "five hundred five billion, fifty-five million, five thousand, four".