51143105053 has 2 divisors, whose sum is σ = 51143105054. Its totient is φ = 51143105052.

The previous prime is 51143105029. The next prime is 51143105089. The reversal of 51143105053 is 35050134115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46081920889 + 5061184164 = 214667^2 + 71142^2 .

It is a cyclic number.

It is not a de Polignac number, because 51143105053 - 2²¹ = 51141007901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51143105093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25571552526 + 25571552527.

It is an arithmetic number, because the mean of its divisors is an integer number (25571552527).

Almost surely, 2^51143105053 is an apocalyptic number.

It is an amenable number.

51143105053 is a deficient number, since it is larger than the sum of its proper divisors (1).

51143105053 is an equidigital number, since it uses as much as digits as its factorization.

51143105053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 51143105053 its reverse (35050134115), we get a palindrome (86193239168).

The spelling of 51143105053 in words is "fifty-one billion, one hundred forty-three million, one hundred five thousand, fifty-three".