51251102753 has 2 divisors, whose sum is σ = 51251102754. Its totient is φ = 51251102752.

The previous prime is 51251102731. The next prime is 51251102789. The reversal of 51251102753 is 35720115215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49165079824 + 2086022929 = 221732^2 + 45673^2 .

It is a cyclic number.

It is not a de Polignac number, because 51251102753 - 2⁶ = 51251102689 is a prime.

It is not a weakly prime, because it can be changed into another prime (51251102713) 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, 25625551376 + 25625551377.

It is an arithmetic number, because the mean of its divisors is an integer number (25625551377).

Almost surely, 2^51251102753 is an apocalyptic number.

It is an amenable number.

51251102753 is a deficient number, since it is larger than the sum of its proper divisors (1).

51251102753 is an equidigital number, since it uses as much as digits as its factorization.

51251102753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 32.

Adding to 51251102753 its reverse (35720115215), we get a palindrome (86971217968).

The spelling of 51251102753 in words is "fifty-one billion, two hundred fifty-one million, one hundred two thousand, seven hundred fifty-three".