215253610316 has 6 divisors (see below), whose sum is σ = 376693818060. Its totient is φ = 107626805156.

The previous prime is 215253610267. The next prime is 215253610321. The reversal of 215253610316 is 613016352512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26906701286 + ... + 26906701293.

It is an arithmetic number, because the mean of its divisors is an integer number (62782303010).

Almost surely, 2^215253610316 is an apocalyptic number.

It is an amenable number.

215253610316 is a deficient number, since it is larger than the sum of its proper divisors (161440207744).

215253610316 is a wasteful number, since it uses less digits than its factorization.

215253610316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53813402583 (or 53813402581 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 215253610316 its reverse (613016352512), we get a palindrome (828269962828).

The spelling of 215253610316 in words is "two hundred fifteen billion, two hundred fifty-three million, six hundred ten thousand, three hundred sixteen".