50506010510561 has 2 divisors, whose sum is σ = 50506010510562. Its totient is φ = 50506010510560.

The previous prime is 50506010510551. The next prime is 50506010510621. The reversal of 50506010510561 is 16501501060505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41807138632336 + 8698871878225 = 6465844^2 + 2949385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50506010510561 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50506010510551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253005255280 + 25253005255281.

It is an arithmetic number, because the mean of its divisors is an integer number (25253005255281).

Almost surely, 2^{50506010510561} is an apocalyptic number.

It is an amenable number.

50506010510561 is a deficient number, since it is larger than the sum of its proper divisors (1).

50506010510561 is an equidigital number, since it uses as much as digits as its factorization.

50506010510561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 50506010510561 in words is "fifty trillion, five hundred six billion, ten million, five hundred ten thousand, five hundred sixty-one".