561141266033 has 2 divisors, whose sum is σ = 561141266034. Its totient is φ = 561141266032.

The previous prime is 561141266029. The next prime is 561141266051. The reversal of 561141266033 is 330662141165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 549091374049 + 12049891984 = 741007^2 + 109772^2 .

It is a cyclic number.

It is not a de Polignac number, because 561141266033 - 2² = 561141266029 is a prime.

It is not a weakly prime, because it can be changed into another prime (561141265033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280570633016 + 280570633017.

It is an arithmetic number, because the mean of its divisors is an integer number (280570633017).

Almost surely, 2^561141266033 is an apocalyptic number.

It is an amenable number.

561141266033 is a deficient number, since it is larger than the sum of its proper divisors (1).

561141266033 is an equidigital number, since it uses as much as digits as its factorization.

561141266033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 561141266033 in words is "five hundred sixty-one billion, one hundred forty-one million, two hundred sixty-six thousand, thirty-three".