51244410042401 has 2 divisors, whose sum is σ = 51244410042402. Its totient is φ = 51244410042400.

The previous prime is 51244410042391. The next prime is 51244410042473. The reversal of 51244410042401 is 10424001444215.

51244410042401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51238739199376 + 5670843025 = 7158124^2 + 75305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51244410042401 is a prime.

It is not a weakly prime, because it can be changed into another prime (51244410042101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25622205021200 + 25622205021201.

It is an arithmetic number, because the mean of its divisors is an integer number (25622205021201).

Almost surely, 2^{51244410042401} is an apocalyptic number.

It is an amenable number.

51244410042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

51244410042401 is an equidigital number, since it uses as much as digits as its factorization.

51244410042401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 51244410042401 its reverse (10424001444215), we get a palindrome (61668411486616).

The spelling of 51244410042401 in words is "fifty-one trillion, two hundred forty-four billion, four hundred ten million, forty-two thousand, four hundred one".