243441066115 has 16 divisors (see below), whose sum is σ = 314611301088. Its totient is φ = 179765842176.

The previous prime is 243441066079. The next prime is 243441066173. The reversal of 243441066115 is 511660144342.

243441066115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243441066115 - 2¹⁵ = 243441033347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3143692 + ... + 3220198.

It is an arithmetic number, because the mean of its divisors is an integer number (19663206318).

Almost surely, 2^243441066115 is an apocalyptic number.

243441066115 is a deficient number, since it is larger than the sum of its proper divisors (71170234973).

243441066115 is a wasteful number, since it uses less digits than its factorization.

243441066115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125478.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 243441066115 in words is "two hundred forty-three billion, four hundred forty-one million, sixty-six thousand, one hundred fifteen".