2112445240405 has 8 divisors (see below), whose sum is σ = 2645148822912. Its totient is φ = 1616479836048.

The previous prime is 2112445240357. The next prime is 2112445240421. The reversal of 2112445240405 is 5040425442112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112445240405 - 2⁷ = 2112445240277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9184544409 + ... + 9184544638.

It is an arithmetic number, because the mean of its divisors is an integer number (330643602864).

Almost surely, 2^{2112445240405} is an apocalyptic number.

It is an amenable number.

2112445240405 is a deficient number, since it is larger than the sum of its proper divisors (532703582507).

2112445240405 is a wasteful number, since it uses less digits than its factorization.

2112445240405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18369089075.

The product of its (nonzero) digits is 51200, while the sum is 34.

The spelling of 2112445240405 in words is "two trillion, one hundred twelve billion, four hundred forty-five million, two hundred forty thousand, four hundred five".