51021203141 has 2 divisors, whose sum is σ = 51021203142. Its totient is φ = 51021203140.

The previous prime is 51021203069. The next prime is 51021203201. The reversal of 51021203141 is 14130212015.

51021203141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41391902500 + 9629300641 = 203450^2 + 98129^2 .

It is a cyclic number.

It is not a de Polignac number, because 51021203141 - 2³⁴ = 33841333957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51021203741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25510601570 + 25510601571.

It is an arithmetic number, because the mean of its divisors is an integer number (25510601571).

Almost surely, 2^51021203141 is an apocalyptic number.

It is an amenable number.

51021203141 is a deficient number, since it is larger than the sum of its proper divisors (1).

51021203141 is an equidigital number, since it uses as much as digits as its factorization.

51021203141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 51021203141 its reverse (14130212015), we get a palindrome (65151415156).

The spelling of 51021203141 in words is "fifty-one billion, twenty-one million, two hundred three thousand, one hundred forty-one".