112066561 has 2 divisors, whose sum is σ = 112066562. Its totient is φ = 112066560.

The previous prime is 112066553. The next prime is 112066573. The reversal of 112066561 is 165660211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 24336 = 10585^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 112066561 - 2³ = 112066553 is a prime.

It is not a weakly prime, because it can be changed into another prime (112066501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56033280 + 56033281.

It is an arithmetic number, because the mean of its divisors is an integer number (56033281).

It is a Proth number, since it is equal to 855 ⋅ 2¹⁷ + 1 and 855 < 2¹⁷.

Almost surely, 2^112066561 is an apocalyptic number.

It is an amenable number.

112066561 is a deficient number, since it is larger than the sum of its proper divisors (1).

112066561 is an equidigital number, since it uses as much as digits as its factorization.

112066561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 112066561 is about 10586.1494888368. The cubic root of 112066561 is about 482.1239229008.

The spelling of 112066561 in words is "one hundred twelve million, sixty-six thousand, five hundred sixty-one".