51066522811 has 2 divisors, whose sum is σ = 51066522812. Its totient is φ = 51066522810.

The previous prime is 51066522763. The next prime is 51066522863. The reversal of 51066522811 is 11822566015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51066522811 - 2¹¹ = 51066520763 is a prime.

It is not a weakly prime, because it can be changed into another prime (51066522011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25533261405 + 25533261406.

It is an arithmetic number, because the mean of its divisors is an integer number (25533261406).

Almost surely, 2^51066522811 is an apocalyptic number.

51066522811 is a deficient number, since it is larger than the sum of its proper divisors (1).

51066522811 is an equidigital number, since it uses as much as digits as its factorization.

51066522811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 51066522811 in words is "fifty-one billion, sixty-six million, five hundred twenty-two thousand, eight hundred eleven".