505123044505104 has 20 divisors (see below), whose sum is σ = 1304901198304976. Its totient is φ = 168374348168352.

The previous prime is 505123044504989. The next prime is 505123044505141. The reversal of 505123044505104 is 401505440321505.

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 3 ways as a sum of consecutive naturals, for example, 5261698380214 + ... + 5261698380309.

Almost surely, 2^{505123044505104} is an apocalyptic number.

It is an amenable number.

505123044505104 is an abundant number, since it is smaller than the sum of its proper divisors (799778153799872).

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

505123044505104 is a wasteful number, since it uses less digits than its factorization.

505123044505104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523396760534 (or 10523396760528 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 505123044505104 its reverse (401505440321505), we get a palindrome (906628484826609).

The spelling of 505123044505104 in words is "five hundred five trillion, one hundred twenty-three billion, forty-four million, five hundred five thousand, one hundred four".