515340525020 has 24 divisors (see below), whose sum is σ = 1082450713344. Its totient is φ = 206091331776.

The previous prime is 515340525017. The next prime is 515340525043. The reversal of 515340525020 is 20525043515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710652 + ... + 2894531.

It is an arithmetic number, because the mean of its divisors is an integer number (45102113056).

Almost surely, 2^515340525020 is an apocalyptic number.

It is an amenable number.

515340525020 is an abundant number, since it is smaller than the sum of its proper divisors (567110188324).

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

515340525020 is a wasteful number, since it uses less digits than its factorization.

515340525020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609789 (or 5609787 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 515340525020 its reverse (20525043515), we get a palindrome (535865568535).

The spelling of 515340525020 in words is "five hundred fifteen billion, three hundred forty million, five hundred twenty-five thousand, twenty".