215636254205043 has 16 divisors (see below), whose sum is σ = 328600327884800. Its totient is φ = 123216310420416.

The previous prime is 215636254204997. The next prime is 215636254205063. The reversal of 215636254205043 is 340502452636512.

It is not a de Polignac number, because 215636254205043 - 2²⁴ = 215636237427827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215636254204983 and 215636254205001.

It is not an unprimeable number, because it can be changed into a prime (215636254205063) by changing a digit.

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, 182993218 + ... + 184167831.

It is an arithmetic number, because the mean of its divisors is an integer number (20537520492800).

Almost surely, 2^{215636254205043} is an apocalyptic number.

215636254205043 is a deficient number, since it is larger than the sum of its proper divisors (112964073679757).

215636254205043 is a wasteful number, since it uses less digits than its factorization.

215636254205043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367189026.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 215636254205043 in words is "two hundred fifteen trillion, six hundred thirty-six billion, two hundred fifty-four million, two hundred five thousand, forty-three".