505502750000 has 70 divisors (see below), whose sum is σ = 1224249407532. Its totient is φ = 202201000000.

The previous prime is 505502749957. The next prime is 505502750009. The reversal of 505502750000 is 57205505.

It is not an unprimeable number, because it can be changed into a prime (505502750009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 761006 + ... + 1261005.

Almost surely, 2^505502750000 is an apocalyptic number.

505502750000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

505502750000 is an abundant number, since it is smaller than the sum of its proper divisors (718746657532).

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

505502750000 is an frugal number, since it uses more digits than its factorization.

505502750000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022049 (or 2022018 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

Adding to 505502750000 its reverse (57205505), we get a palindrome (505559955505).

The spelling of 505502750000 in words is "five hundred five billion, five hundred two million, seven hundred fifty thousand".