515065015264 has 48 divisors (see below), whose sum is σ = 1035930422016. Its totient is φ = 251974972800.

The previous prime is 515065015261. The next prime is 515065015271. The reversal of 515065015264 is 462510560515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515065015261) 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, 4958419 + ... + 5061229.

It is an arithmetic number, because the mean of its divisors is an integer number (21581883792).

Almost surely, 2^515065015264 is an apocalyptic number.

It is an amenable number.

515065015264 is an abundant number, since it is smaller than the sum of its proper divisors (520865406752).

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

515065015264 is a wasteful number, since it uses less digits than its factorization.

515065015264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106199 (or 106191 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

Adding to 515065015264 its reverse (462510560515), we get a palindrome (977575575779).

The spelling of 515065015264 in words is "five hundred fifteen billion, sixty-five million, fifteen thousand, two hundred sixty-four".