204554115061 has 2 divisors, whose sum is σ = 204554115062. Its totient is φ = 204554115060.

The previous prime is 204554114977. The next prime is 204554115203. The reversal of 204554115061 is 160511455402.

204554115061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190646630161 + 13907484900 = 436631^2 + 117930^2 .

It is a cyclic number.

It is not a de Polignac number, because 204554115061 - 2⁹ = 204554114549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204354115061) 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, 102277057530 + 102277057531.

It is an arithmetic number, because the mean of its divisors is an integer number (102277057531).

Almost surely, 2^204554115061 is an apocalyptic number.

It is an amenable number.

204554115061 is a deficient number, since it is larger than the sum of its proper divisors (1).

204554115061 is an equidigital number, since it uses as much as digits as its factorization.

204554115061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 34.

It can be divided in two parts, 2045541 and 15061, that added together give a palindrome (2060602).

The spelling of 204554115061 in words is "two hundred four billion, five hundred fifty-four million, one hundred fifteen thousand, sixty-one".