51000555560011 has 2 divisors, whose sum is σ = 51000555560012. Its totient is φ = 51000555560010.

The previous prime is 51000555559991. The next prime is 51000555560089. The reversal of 51000555560011 is 11006555500015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51000555560011 - 2⁵ = 51000555559979 is a prime.

It is not a weakly prime, because it can be changed into another prime (51000555563011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500277780005 + 25500277780006.

It is an arithmetic number, because the mean of its divisors is an integer number (25500277780006).

Almost surely, 2^{51000555560011} is an apocalyptic number.

51000555560011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000555560011 is an equidigital number, since it uses as much as digits as its factorization.

51000555560011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 51000555560011 in words is "fifty-one trillion, five hundred fifty-five million, five hundred sixty thousand, eleven".