515550042502232 has 64 divisors (see below), whose sum is σ = 972875499840000. Its totient is φ = 256119069419136.

The previous prime is 515550042502219. The next prime is 515550042502237. The reversal of 515550042502232 is 232205240055515.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 515550042502232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515550042502237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12925244993 + ... + 12925284879.

It is an arithmetic number, because the mean of its divisors is an integer number (15201179685000).

Almost surely, 2^{515550042502232} is an apocalyptic number.

It is an amenable number.

515550042502232 is a deficient number, since it is larger than the sum of its proper divisors (457325457337768).

515550042502232 is a wasteful number, since it uses less digits than its factorization.

515550042502232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47448 (or 47444 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 515550042502232 its reverse (232205240055515), we get a palindrome (747755282557747).

The spelling of 515550042502232 in words is "five hundred fifteen trillion, five hundred fifty billion, forty-two million, five hundred two thousand, two hundred thirty-two".