515253412000 has 48 divisors (see below), whose sum is σ = 1265977643112. Its totient is φ = 206101363200.

The previous prime is 515253411971. The next prime is 515253412019. The reversal of 515253412000 is 214352515.

It can be written as a sum of positive squares in 4 ways, for example, as 104305745296 + 410947666704 = 322964^2 + 641052^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 515253412000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64402677 + ... + 64410676.

Almost surely, 2^515253412000 is an apocalyptic number.

515253412000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

515253412000 is an abundant number, since it is smaller than the sum of its proper divisors (750724231112).

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

515253412000 is a wasteful number, since it uses less digits than its factorization.

515253412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128813378 (or 128813360 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 515253412000 its reverse (214352515), we get a palindrome (515467764515).

The spelling of 515253412000 in words is "five hundred fifteen billion, two hundred fifty-three million, four hundred twelve thousand".