200511120453841 has 2 divisors, whose sum is σ = 200511120453842. Its totient is φ = 200511120453840.

The previous prime is 200511120453799. The next prime is 200511120453869. The reversal of 200511120453841 is 148354021115002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162334737334225 + 38176383119616 = 12741065^2 + 6178704^2 .

It is a cyclic number.

It is not a de Polignac number, because 200511120453841 - 2¹¹ = 200511120451793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200511120453841.

It is not a weakly prime, because it can be changed into another prime (200511120456841) 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, 100255560226920 + 100255560226921.

It is an arithmetic number, because the mean of its divisors is an integer number (100255560226921).

Almost surely, 2^{200511120453841} is an apocalyptic number.

It is an amenable number.

200511120453841 is a deficient number, since it is larger than the sum of its proper divisors (1).

200511120453841 is an equidigital number, since it uses as much as digits as its factorization.

200511120453841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 37.

Adding to 200511120453841 its reverse (148354021115002), we get a palindrome (348865141568843).

The spelling of 200511120453841 in words is "two hundred trillion, five hundred eleven billion, one hundred twenty million, four hundred fifty-three thousand, eight hundred forty-one".