2215603441243 has 4 divisors (see below), whose sum is σ = 2269642549608. Its totient is φ = 2161564332880.

The previous prime is 2215603441237. The next prime is 2215603441267. The reversal of 2215603441243 is 3421443065122.

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 2215603441243 - 2²¹ = 2215601344091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215603441283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27019554121 + ... + 27019554202.

It is an arithmetic number, because the mean of its divisors is an integer number (567410637402).

Almost surely, 2^{2215603441243} is an apocalyptic number.

2215603441243 is a deficient number, since it is larger than the sum of its proper divisors (54039108365).

2215603441243 is an equidigital number, since it uses as much as digits as its factorization.

2215603441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54039108364.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 2215603441243 in words is "two trillion, two hundred fifteen billion, six hundred three million, four hundred forty-one thousand, two hundred forty-three".