112289647661 has 2 divisors, whose sum is σ = 112289647662. Its totient is φ = 112289647660.

The previous prime is 112289647637. The next prime is 112289647699. The reversal of 112289647661 is 166746982211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105368406025 + 6921241636 = 324605^2 + 83194^2 .

It is a cyclic number.

It is not a de Polignac number, because 112289647661 - 2³⁰ = 111215905837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112289647621) 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, 56144823830 + 56144823831.

It is an arithmetic number, because the mean of its divisors is an integer number (56144823831).

Almost surely, 2^112289647661 is an apocalyptic number.

It is an amenable number.

112289647661 is a deficient number, since it is larger than the sum of its proper divisors (1).

112289647661 is an equidigital number, since it uses as much as digits as its factorization.

112289647661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The spelling of 112289647661 in words is "one hundred twelve billion, two hundred eighty-nine million, six hundred forty-seven thousand, six hundred sixty-one".