500252111720 has 32 divisors (see below), whose sum is σ = 1151743237920. Its totient is φ = 195447336000.

The previous prime is 500252111707. The next prime is 500252111729. The reversal of 500252111720 is 27111252005.

It is a super-2 number, since 2×500252111720² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 500252111720.

It is not an unprimeable number, because it can be changed into a prime (500252111729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145420406 + ... + 145423845.

It is an arithmetic number, because the mean of its divisors is an integer number (35991976185).

Almost surely, 2^500252111720 is an apocalyptic number.

It is an amenable number.

500252111720 is an abundant number, since it is smaller than the sum of its proper divisors (651491126200).

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

500252111720 is a wasteful number, since it uses less digits than its factorization.

500252111720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290844305 (or 290844301 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

Adding to 500252111720 its reverse (27111252005), we get a palindrome (527363363725).

The spelling of 500252111720 in words is "five hundred billion, two hundred fifty-two million, one hundred eleven thousand, seven hundred twenty".