252143005515 has 16 divisors (see below), whose sum is σ = 403441928448. Its totient is φ = 134471896416.

The previous prime is 252143005463. The next prime is 252143005529. The reversal of 252143005515 is 515500341252.

It is not a de Polignac number, because 252143005515 - 2³² = 247848038219 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 233634 + ... + 747576.

It is an arithmetic number, because the mean of its divisors is an integer number (25215120528).

Almost surely, 2^252143005515 is an apocalyptic number.

252143005515 is a deficient number, since it is larger than the sum of its proper divisors (151298922933).

252143005515 is a wasteful number, since it uses less digits than its factorization.

252143005515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546658.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 252143005515 its reverse (515500341252), we get a palindrome (767643346767).

The spelling of 252143005515 in words is "two hundred fifty-two billion, one hundred forty-three million, five thousand, five hundred fifteen".