240727067561 has 2 divisors, whose sum is σ = 240727067562. Its totient is φ = 240727067560.

The previous prime is 240727067533. The next prime is 240727067611. The reversal of 240727067561 is 165760727042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140133430336 + 100593637225 = 374344^2 + 317165^2 .

It is a cyclic number.

It is not a de Polignac number, because 240727067561 - 2¹⁰ = 240727066537 is a prime.

It is not a weakly prime, because it can be changed into another prime (240727007561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120363533780 + 120363533781.

It is an arithmetic number, because the mean of its divisors is an integer number (120363533781).

Almost surely, 2^240727067561 is an apocalyptic number.

It is an amenable number.

240727067561 is a deficient number, since it is larger than the sum of its proper divisors (1).

240727067561 is an equidigital number, since it uses as much as digits as its factorization.

240727067561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 240727067561 in words is "two hundred forty billion, seven hundred twenty-seven million, sixty-seven thousand, five hundred sixty-one".