51366045240611 has 2 divisors, whose sum is σ = 51366045240612. Its totient is φ = 51366045240610.

The previous prime is 51366045240547. The next prime is 51366045240659. The reversal of 51366045240611 is 11604254066315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51366045240611 - 2⁶ = 51366045240547 is a prime.

It is not a weakly prime, because it can be changed into another prime (51366045240661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25683022620305 + 25683022620306.

It is an arithmetic number, because the mean of its divisors is an integer number (25683022620306).

Almost surely, 2^{51366045240611} is an apocalyptic number.

51366045240611 is a deficient number, since it is larger than the sum of its proper divisors (1).

51366045240611 is an equidigital number, since it uses as much as digits as its factorization.

51366045240611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 51366045240611 in words is "fifty-one trillion, three hundred sixty-six billion, forty-five million, two hundred forty thousand, six hundred eleven".