243110020159 has 2 divisors, whose sum is σ = 243110020160. Its totient is φ = 243110020158.

The previous prime is 243110020073. The next prime is 243110020163. The reversal of 243110020159 is 951020011342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243110020159 - 2²⁷ = 242975802431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243110020859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121555010079 + 121555010080.

It is an arithmetic number, because the mean of its divisors is an integer number (121555010080).

Almost surely, 2^243110020159 is an apocalyptic number.

243110020159 is a deficient number, since it is larger than the sum of its proper divisors (1).

243110020159 is an equidigital number, since it uses as much as digits as its factorization.

243110020159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 243110020159 in words is "two hundred forty-three billion, one hundred ten million, twenty thousand, one hundred fifty-nine".