517137245000 has 80 divisors (see below), whose sum is σ = 1211898755760. Its totient is φ = 206812872000.

The previous prime is 517137244979. The next prime is 517137245087. The reversal of 517137245000 is 542731715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39328427 + ... + 39341573.

It is an arithmetic number, because the mean of its divisors is an integer number (15148734447).

Almost surely, 2^517137245000 is an apocalyptic number.

517137245000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 517137245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605949377880).

517137245000 is an abundant number, since it is smaller than the sum of its proper divisors (694761510760).

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

517137245000 is a wasteful number, since it uses less digits than its factorization.

517137245000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21040 (or 21021 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

Adding to 517137245000 its reverse (542731715), we get a palindrome (517679976715).

The spelling of 517137245000 in words is "five hundred seventeen billion, one hundred thirty-seven million, two hundred forty-five thousand".