540066151321 has 2 divisors, whose sum is σ = 540066151322. Its totient is φ = 540066151320.

The previous prime is 540066151277. The next prime is 540066151337. The reversal of 540066151321 is 123151660045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335096265625 + 204969885696 = 578875^2 + 452736^2 .

It is a cyclic number.

It is not a de Polignac number, because 540066151321 - 2¹³ = 540066143129 is a prime.

It is not a weakly prime, because it can be changed into another prime (540066151351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270033075660 + 270033075661.

It is an arithmetic number, because the mean of its divisors is an integer number (270033075661).

Almost surely, 2^540066151321 is an apocalyptic number.

It is an amenable number.

540066151321 is a deficient number, since it is larger than the sum of its proper divisors (1).

540066151321 is an equidigital number, since it uses as much as digits as its factorization.

540066151321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 540066151321 in words is "five hundred forty billion, sixty-six million, one hundred fifty-one thousand, three hundred twenty-one".