500117215650 has 48 divisors (see below), whose sum is σ = 1335697676544. Its totient is φ = 123105775680.

The previous prime is 500117215607. The next prime is 500117215657. The reversal of 500117215650 is 56512711005.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (500117215657) 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 23 ways as a sum of consecutive naturals, for example, 128233234 + ... + 128237133.

It is an arithmetic number, because the mean of its divisors is an integer number (27827034928).

Almost surely, 2^500117215650 is an apocalyptic number.

500117215650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

500117215650 is an abundant number, since it is smaller than the sum of its proper divisors (835580460894).

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

500117215650 is a wasteful number, since it uses less digits than its factorization.

500117215650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256470395 (or 256470390 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

Adding to 500117215650 its reverse (56512711005), we get a palindrome (556629926655).

The spelling of 500117215650 in words is "five hundred billion, one hundred seventeen million, two hundred fifteen thousand, six hundred fifty".