52515288128 has 14 divisors (see below), whose sum is σ = 104210025006. Its totient is φ = 26257644032.

The previous prime is 52515288097. The next prime is 52515288139. The reversal of 52515288128 is 82188251525.

It can be written as a sum of positive squares in only one way, i.e., 52462986304 + 52301824 = 229048^2 + 7232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410275625 + ... + 410275752.

Almost surely, 2^52515288128 is an apocalyptic number.

It is an amenable number.

52515288128 is a deficient number, since it is larger than the sum of its proper divisors (51694736878).

52515288128 is an equidigital number, since it uses as much as digits as its factorization.

52515288128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820551389 (or 820551379 counting only the distinct ones).

The product of its digits is 512000, while the sum is 47.

The spelling of 52515288128 in words is "fifty-two billion, five hundred fifteen million, two hundred eighty-eight thousand, one hundred twenty-eight".