215652212201567 has 12 divisors (see below), whose sum is σ = 230246700057000. Its totient is φ = 201936499637376.

The previous prime is 215652212201549. The next prime is 215652212201599. The reversal of 215652212201567 is 765102212256512.

It is a happy number.

It is not a de Polignac number, because 215652212201567 - 2²² = 215652208007263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215652212201507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1893855317 + ... + 1893969182.

It is an arithmetic number, because the mean of its divisors is an integer number (19187225004750).

Almost surely, 2^{215652212201567} is an apocalyptic number.

215652212201567 is a deficient number, since it is larger than the sum of its proper divisors (14594487855433).

215652212201567 is a wasteful number, since it uses less digits than its factorization.

215652212201567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787824730 (or 3787824713 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 47.

Subtracting 215652212201567 from its reverse (765102212256512), we obtain a palindrome (549450000054945).

The spelling of 215652212201567 in words is "two hundred fifteen trillion, six hundred fifty-two billion, two hundred twelve million, two hundred one thousand, five hundred sixty-seven".