61060566089 has 2 divisors, whose sum is σ = 61060566090. Its totient is φ = 61060566088.

The previous prime is 61060566043. The next prime is 61060566113. The reversal of 61060566089 is 98066506016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59296146064 + 1764420025 = 243508^2 + 42005^2 .

It is a cyclic number.

It is not a de Polignac number, because 61060566089 - 2¹² = 61060561993 is a prime.

It is a super-2 number, since 2×61060566089² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61060566029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530283044 + 30530283045.

It is an arithmetic number, because the mean of its divisors is an integer number (30530283045).

Almost surely, 2^61060566089 is an apocalyptic number.

It is an amenable number.

61060566089 is a deficient number, since it is larger than the sum of its proper divisors (1).

61060566089 is an equidigital number, since it uses as much as digits as its factorization.

61060566089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 61060566089 in words is "sixty-one billion, sixty million, five hundred sixty-six thousand, eighty-nine".