205071634622051 has 2 divisors, whose sum is σ = 205071634622052. Its totient is φ = 205071634622050.

The previous prime is 205071634622033. The next prime is 205071634622131. The reversal of 205071634622051 is 150226436170502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205071634622051 - 2¹⁴ = 205071634605667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205071634621993 and 205071634622011.

It is not a weakly prime, because it can be changed into another prime (205071634612051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102535817311025 + 102535817311026.

It is an arithmetic number, because the mean of its divisors is an integer number (102535817311026).

Almost surely, 2^{205071634622051} is an apocalyptic number.

205071634622051 is a deficient number, since it is larger than the sum of its proper divisors (1).

205071634622051 is an equidigital number, since it uses as much as digits as its factorization.

205071634622051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 205071634622051 in words is "two hundred five trillion, seventy-one billion, six hundred thirty-four million, six hundred twenty-two thousand, fifty-one".