505511035000 has 80 divisors (see below), whose sum is σ = 1225254511800. Its totient is φ = 195231792000.

The previous prime is 505511034997. The next prime is 505511035009. The reversal of 505511035000 is 530115505.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505511035009) 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 19 ways as a sum of consecutive naturals, for example, 1598142 + ... + 1888141.

Almost surely, 2^505511035000 is an apocalyptic number.

505511035000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505511035000 is an abundant number, since it is smaller than the sum of its proper divisors (719743476800).

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

505511035000 is a wasteful number, since it uses less digits than its factorization.

505511035000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486338 (or 3486319 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The spelling of 505511035000 in words is "five hundred five billion, five hundred eleven million, thirty-five thousand".