112981638447 has 6 divisors (see below), whose sum is σ = 163195699992. Its totient is φ = 75321092292.

The previous prime is 112981638401. The next prime is 112981638467. The reversal of 112981638447 is 744836189211.

112981638447 is a `hidden beast` number, since 11 + 29 + 8 + 163 + 8 + 447 = 666.

It is not a de Polignac number, because 112981638447 - 2¹¹ = 112981636399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112981638393 and 112981638402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112981638467) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 6276757683 + ... + 6276757700.

It is an arithmetic number, because the mean of its divisors is an integer number (27199283332).

Almost surely, 2^112981638447 is an apocalyptic number.

112981638447 is a deficient number, since it is larger than the sum of its proper divisors (50214061545).

112981638447 is a wasteful number, since it uses less digits than its factorization.

112981638447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12553515389 (or 12553515386 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The spelling of 112981638447 in words is "one hundred twelve billion, nine hundred eighty-one million, six hundred thirty-eight thousand, four hundred forty-seven".