501005555500 has 48 divisors (see below), whose sum is σ = 1097053461504. Its totient is φ = 199878902400.

The previous prime is 501005555467. The next prime is 501005555507. The reversal of 501005555500 is 5555500105.

It is not an unprimeable number, because it can be changed into a prime (501005555507) 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 15 ways as a sum of consecutive naturals, for example, 1116609 + ... + 1499608.

It is an arithmetic number, because the mean of its divisors is an integer number (22855280448).

Almost surely, 2^501005555500 is an apocalyptic number.

501005555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

501005555500 is an abundant number, since it is smaller than the sum of its proper divisors (596047906004).

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

501005555500 is a wasteful number, since it uses less digits than its factorization.

501005555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616619 (or 2616607 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 501005555500 in words is "five hundred one billion, five million, five hundred fifty-five thousand, five hundred".