240340505103161 has 2 divisors, whose sum is σ = 240340505103162. Its totient is φ = 240340505103160.

The previous prime is 240340505103151. The next prime is 240340505103173. The reversal of 240340505103161 is 161301505043042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146708562253561 + 93631942849600 = 12112331^2 + 9676360^2 .

It is a cyclic number.

It is not a de Polignac number, because 240340505103161 - 2³⁸ = 240065627196217 is a prime.

It is not a weakly prime, because it can be changed into another prime (240340505103151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120170252551580 + 120170252551581.

It is an arithmetic number, because the mean of its divisors is an integer number (120170252551581).

Almost surely, 2^{240340505103161} is an apocalyptic number.

It is an amenable number.

240340505103161 is a deficient number, since it is larger than the sum of its proper divisors (1).

240340505103161 is an equidigital number, since it uses as much as digits as its factorization.

240340505103161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 240340505103161 in words is "two hundred forty trillion, three hundred forty billion, five hundred five million, one hundred three thousand, one hundred sixty-one".