561062163331 has 2 divisors, whose sum is σ = 561062163332. Its totient is φ = 561062163330.

The previous prime is 561062163293. The next prime is 561062163359. The reversal of 561062163331 is 133361260165.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 561062163331 - 2¹⁷ = 561062032259 is a prime.

It is a super-2 number, since 2×561062163331² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561062163631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280531081665 + 280531081666.

It is an arithmetic number, because the mean of its divisors is an integer number (280531081666).

Almost surely, 2^561062163331 is an apocalyptic number.

561062163331 is a deficient number, since it is larger than the sum of its proper divisors (1).

561062163331 is an equidigital number, since it uses as much as digits as its factorization.

561062163331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The spelling of 561062163331 in words is "five hundred sixty-one billion, sixty-two million, one hundred sixty-three thousand, three hundred thirty-one".