505235121050 has 96 divisors (see below), whose sum is σ = 1036880956800. Its totient is φ = 181628870400.

The previous prime is 505235121029. The next prime is 505235121067. The reversal of 505235121050 is 50121532505.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 34719176 + ... + 34733724.

It is an arithmetic number, because the mean of its divisors is an integer number (10800843300).

Almost surely, 2^505235121050 is an apocalyptic number.

505235121050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505235121050 is an abundant number, since it is smaller than the sum of its proper divisors (531645835750).

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

505235121050 is a wasteful number, since it uses less digits than its factorization.

505235121050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15288 (or 15283 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 505235121050 its reverse (50121532505), we get a palindrome (555356653555).

The spelling of 505235121050 in words is "five hundred five billion, two hundred thirty-five million, one hundred twenty-one thousand, fifty".