505000500556 has 24 divisors (see below), whose sum is σ = 923276798640. Its totient is φ = 241379544000.

The previous prime is 505000500553. The next prime is 505000500671. The reversal of 505000500556 is 655005000505.

It is not an unprimeable number, because it can be changed into a prime (505000500551) 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 7 ways as a sum of consecutive naturals, for example, 21540030 + ... + 21563461.

It is an arithmetic number, because the mean of its divisors is an integer number (38469866610).

Almost surely, 2^505000500556 is an apocalyptic number.

It is an amenable number.

505000500556 is a deficient number, since it is larger than the sum of its proper divisors (418276298084).

505000500556 is a wasteful number, since it uses less digits than its factorization.

505000500556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43103625 (or 43103623 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 505000500556 in words is "five hundred five billion, five hundred thousand, five hundred fifty-six".