215536632350256 has 240 divisors, whose sum is σ = 761662518050304. Its totient is φ = 55439455205376.

The previous prime is 215536632350243. The next prime is 215536632350269. The reversal of 215536632350256 is 652053236635512.

215536632350256 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 3 + 6 + 6 + 32 + 350 + 256 = 666.

It is an interprime number because it is at equal distance from previous prime (215536632350243) and next prime (215536632350269).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273040686 + ... + 273828941.

Almost surely, 2^{215536632350256} is an apocalyptic number.

It is an amenable number.

215536632350256 is an abundant number, since it is smaller than the sum of its proper divisors (546125885700048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215536632350256 is a wasteful number, since it uses less digits than its factorization.

215536632350256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546869688 (or 546869679 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

Adding to 215536632350256 its reverse (652053236635512), we get a palindrome (867589868985768).

The spelling of 215536632350256 in words is "two hundred fifteen trillion, five hundred thirty-six billion, six hundred thirty-two million, three hundred fifty thousand, two hundred fifty-six".