243240041159 has 2 divisors, whose sum is σ = 243240041160. Its totient is φ = 243240041158.

The previous prime is 243240041153. The next prime is 243240041221. The reversal of 243240041159 is 951140042342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243240041159 - 2⁸ = 243240040903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243240041153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121620020579 + 121620020580.

It is an arithmetic number, because the mean of its divisors is an integer number (121620020580).

Almost surely, 2^243240041159 is an apocalyptic number.

243240041159 is a deficient number, since it is larger than the sum of its proper divisors (1).

243240041159 is an equidigital number, since it uses as much as digits as its factorization.

243240041159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 243240041159 in words is "two hundred forty-three billion, two hundred forty million, forty-one thousand, one hundred fifty-nine".