215672263277563 has 4 divisors (see below), whose sum is σ = 215672296189248. Its totient is φ = 215672230365880.

The previous prime is 215672263277561. The next prime is 215672263277623. The reversal of 215672263277563 is 365772362276512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215672263277563 - 2¹ = 215672263277561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215672263277495 and 215672263277504.

It is not an unprimeable number, because it can be changed into a prime (215672263277561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908756 + ... + 20971537.

It is an arithmetic number, because the mean of its divisors is an integer number (53918074047312).

Almost surely, 2^{215672263277563} is an apocalyptic number.

215672263277563 is a deficient number, since it is larger than the sum of its proper divisors (32911685).

215672263277563 is an equidigital number, since it uses as much as digits as its factorization.

215672263277563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32911684.

The product of its digits is 266716800, while the sum is 64.

The spelling of 215672263277563 in words is "two hundred fifteen trillion, six hundred seventy-two billion, two hundred sixty-three million, two hundred seventy-seven thousand, five hundred sixty-three".