51202015201 has 2 divisors, whose sum is σ = 51202015202. Its totient is φ = 51202015200.

The previous prime is 51202015187. The next prime is 51202015211. The reversal of 51202015201 is 10251020215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50487843025 + 714172176 = 224695^2 + 26724^2 .

It is a cyclic number.

It is not a de Polignac number, because 51202015201 - 2¹⁹ = 51201490913 is a prime.

It is not a weakly prime, because it can be changed into another prime (51202015211) 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, 25601007600 + 25601007601.

It is an arithmetic number, because the mean of its divisors is an integer number (25601007601).

Almost surely, 2^51202015201 is an apocalyptic number.

It is an amenable number.

51202015201 is a deficient number, since it is larger than the sum of its proper divisors (1).

51202015201 is an equidigital number, since it uses as much as digits as its factorization.

51202015201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 51202015201 its reverse (10251020215), we get a palindrome (61453035416).

The spelling of 51202015201 in words is "fifty-one billion, two hundred two million, fifteen thousand, two hundred one".