112406646409 has 2 divisors, whose sum is σ = 112406646410. Its totient is φ = 112406646408.

The previous prime is 112406646277. The next prime is 112406646439. The reversal of 112406646409 is 904646604211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85427598400 + 26979048009 = 292280^2 + 164253^2 .

It is a cyclic number.

It is not a de Polignac number, because 112406646409 - 2¹⁹ = 112406122121 is a prime.

It is not a weakly prime, because it can be changed into another prime (112406646439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56203323204 + 56203323205.

It is an arithmetic number, because the mean of its divisors is an integer number (56203323205).

Almost surely, 2^112406646409 is an apocalyptic number.

It is an amenable number.

112406646409 is a deficient number, since it is larger than the sum of its proper divisors (1).

112406646409 is an equidigital number, since it uses as much as digits as its factorization.

112406646409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 112406646409 in words is "one hundred twelve billion, four hundred six million, six hundred forty-six thousand, four hundred nine".