50145103513 has 2 divisors, whose sum is σ = 50145103514. Its totient is φ = 50145103512.

The previous prime is 50145103451. The next prime is 50145103543. The reversal of 50145103513 is 31530154105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49859763849 + 285339664 = 223293^2 + 16892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50145103513 is a prime.

It is not a weakly prime, because it can be changed into another prime (50145103543) 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, 25072551756 + 25072551757.

It is an arithmetic number, because the mean of its divisors is an integer number (25072551757).

Almost surely, 2^50145103513 is an apocalyptic number.

It is an amenable number.

50145103513 is a deficient number, since it is larger than the sum of its proper divisors (1).

50145103513 is an equidigital number, since it uses as much as digits as its factorization.

50145103513 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 50145103513 its reverse (31530154105), we get a palindrome (81675257618).

The spelling of 50145103513 in words is "fifty billion, one hundred forty-five million, one hundred three thousand, five hundred thirteen".