515613130242 has 32 divisors (see below), whose sum is σ = 1179525715584. Its totient is φ = 147195360000.

The previous prime is 515613130229. The next prime is 515613130271. The reversal of 515613130242 is 242031316515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5060509 + ... + 5161392.

It is an arithmetic number, because the mean of its divisors is an integer number (36860178612).

Almost surely, 2^515613130242 is an apocalyptic number.

515613130242 is an abundant number, since it is smaller than the sum of its proper divisors (663912585342).

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

515613130242 is a wasteful number, since it uses less digits than its factorization.

515613130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223114.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 515613130242 its reverse (242031316515), we get a palindrome (757644446757).

The spelling of 515613130242 in words is "five hundred fifteen billion, six hundred thirteen million, one hundred thirty thousand, two hundred forty-two".