51042104401 has 2 divisors, whose sum is σ = 51042104402. Its totient is φ = 51042104400.

The previous prime is 51042104389. The next prime is 51042104411. The reversal of 51042104401 is 10440124015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51019967376 + 22137025 = 225876^2 + 4705^2 .

It is a cyclic number.

It is not a de Polignac number, because 51042104401 - 2²⁹ = 50505233489 is a prime.

It is not a weakly prime, because it can be changed into another prime (51042104411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25521052200 + 25521052201.

It is an arithmetic number, because the mean of its divisors is an integer number (25521052201).

Almost surely, 2^51042104401 is an apocalyptic number.

It is an amenable number.

51042104401 is a deficient number, since it is larger than the sum of its proper divisors (1).

51042104401 is an equidigital number, since it uses as much as digits as its factorization.

51042104401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 51042104401 its reverse (10440124015), we get a palindrome (61482228416).

The spelling of 51042104401 in words is "fifty-one billion, forty-two million, one hundred four thousand, four hundred one".