215341253252 has 48 divisors (see below), whose sum is σ = 386636712000. Its totient is φ = 104911956864.

The previous prime is 215341253233. The next prime is 215341253269. The reversal of 215341253252 is 252352143512.

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, 18076274 + ... + 18088182.

It is an arithmetic number, because the mean of its divisors is an integer number (8054931500).

Almost surely, 2^215341253252 is an apocalyptic number.

It is an amenable number.

215341253252 is a deficient number, since it is larger than the sum of its proper divisors (171295458748).

215341253252 is a wasteful number, since it uses less digits than its factorization.

215341253252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12708 (or 12706 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 215341253252 its reverse (252352143512), we get a palindrome (467693396764).

The spelling of 215341253252 in words is "two hundred fifteen billion, three hundred forty-one million, two hundred fifty-three thousand, two hundred fifty-two".