561355062605053 has 2 divisors, whose sum is σ = 561355062605054. Its totient is φ = 561355062605052.

The previous prime is 561355062604939. The next prime is 561355062605137. The reversal of 561355062605053 is 350506260553165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545319546918084 + 16035515686969 = 23352078^2 + 4004437^2 .

It is a cyclic number.

It is not a de Polignac number, because 561355062605053 - 2⁹ = 561355062604541 is a prime.

It is a super-2 number, since 2×561355062605053² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561355062603053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280677531302526 + 280677531302527.

It is an arithmetic number, because the mean of its divisors is an integer number (280677531302527).

Almost surely, 2^{561355062605053} is an apocalyptic number.

It is an amenable number.

561355062605053 is a deficient number, since it is larger than the sum of its proper divisors (1).

561355062605053 is an equidigital number, since it uses as much as digits as its factorization.

561355062605053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150000, while the sum is 52.

The spelling of 561355062605053 in words is "five hundred sixty-one trillion, three hundred fifty-five billion, sixty-two million, six hundred five thousand, fifty-three".