505351510504 has 16 divisors (see below), whose sum is σ = 954994982400. Its totient is φ = 250686181872.

The previous prime is 505351510453. The next prime is 505351510507. The reversal of 505351510504 is 405015153505.

It is a self number, because there is not a number n which added to its sum of digits gives 505351510504.

It is not an unprimeable number, because it can be changed into a prime (505351510507) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 248695594 + ... + 248697625.

It is an arithmetic number, because the mean of its divisors is an integer number (59687186400).

Almost surely, 2^505351510504 is an apocalyptic number.

It is an amenable number.

505351510504 is a deficient number, since it is larger than the sum of its proper divisors (449643471896).

505351510504 is a wasteful number, since it uses less digits than its factorization.

505351510504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497393352 (or 497393348 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 505351510504 in words is "five hundred five billion, three hundred fifty-one million, five hundred ten thousand, five hundred four".