240636533116361 has 2 divisors, whose sum is σ = 240636533116362. Its totient is φ = 240636533116360.

The previous prime is 240636533116283. The next prime is 240636533116379. The reversal of 240636533116361 is 163611335636042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218157508264336 + 22479024852025 = 14770156^2 + 4741205^2 .

It is a cyclic number.

It is not a de Polignac number, because 240636533116361 - 2³⁴ = 240619353247177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240636533116391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120318266558180 + 120318266558181.

It is an arithmetic number, because the mean of its divisors is an integer number (120318266558181).

Almost surely, 2^{240636533116361} is an apocalyptic number.

It is an amenable number.

240636533116361 is a deficient number, since it is larger than the sum of its proper divisors (1).

240636533116361 is an equidigital number, since it uses as much as digits as its factorization.

240636533116361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 50.

The spelling of 240636533116361 in words is "two hundred forty trillion, six hundred thirty-six billion, five hundred thirty-three million, one hundred sixteen thousand, three hundred sixty-one".