200530121531953 has 2 divisors, whose sum is σ = 200530121531954. Its totient is φ = 200530121531952.

The previous prime is 200530121531923. The next prime is 200530121532019. The reversal of 200530121531953 is 359135121035002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180668196216369 + 19861925315584 = 13441287^2 + 4456672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200530121531953 is a prime.

It is not a weakly prime, because it can be changed into another prime (200530121531923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100265060765976 + 100265060765977.

It is an arithmetic number, because the mean of its divisors is an integer number (100265060765977).

Almost surely, 2^{200530121531953} is an apocalyptic number.

It is an amenable number.

200530121531953 is a deficient number, since it is larger than the sum of its proper divisors (1).

200530121531953 is an equidigital number, since it uses as much as digits as its factorization.

200530121531953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 40.

Adding to 200530121531953 its reverse (359135121035002), we get a palindrome (559665242566955).

The spelling of 200530121531953 in words is "two hundred trillion, five hundred thirty billion, one hundred twenty-one million, five hundred thirty-one thousand, nine hundred fifty-three".