2051251062529 has 2 divisors, whose sum is σ = 2051251062530. Its totient is φ = 2051251062528.

The previous prime is 2051251062521. The next prime is 2051251062551. The reversal of 2051251062529 is 9252601521502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2031343263504 + 19907799025 = 1425252^2 + 141095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051251062529 - 2³ = 2051251062521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051251062491 and 2051251062500.

It is not a weakly prime, because it can be changed into another prime (2051251062521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025625531264 + 1025625531265.

It is an arithmetic number, because the mean of its divisors is an integer number (1025625531265).

Almost surely, 2^{2051251062529} is an apocalyptic number.

It is an amenable number.

2051251062529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051251062529 is an equidigital number, since it uses as much as digits as its factorization.

2051251062529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 2051251062529 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, five hundred twenty-nine".