563445221123215 has 16 divisors (see below), whose sum is σ = 708458923567296. Its totient is φ = 429369044544000.

The previous prime is 563445221123201. The next prime is 563445221123243. The reversal of 563445221123215 is 512321122544365.

It is a de Polignac number, because none of the positive numbers 2^k-563445221123215 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10164959136 + ... + 10165014565.

It is an arithmetic number, because the mean of its divisors is an integer number (44278682722956).

Almost surely, 2^{563445221123215} is an apocalyptic number.

563445221123215 is a deficient number, since it is larger than the sum of its proper divisors (145013702444081).

563445221123215 is a wasteful number, since it uses less digits than its factorization.

563445221123215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20329973970.

The product of its digits is 1728000, while the sum is 46.

The spelling of 563445221123215 in words is "five hundred sixty-three trillion, four hundred forty-five billion, two hundred twenty-one million, one hundred twenty-three thousand, two hundred fifteen".