112071504865 has 4 divisors (see below), whose sum is σ = 134485805844. Its totient is φ = 89657203888.

The previous prime is 112071504863. The next prime is 112071504907. The reversal of 112071504865 is 568405170211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568405170211 = 7867 ⋅72251833.

It can be written as a sum of positive squares in 2 ways, for example, as 31544956881 + 80526547984 = 177609^2 + 283772^2 .

It is a cyclic number.

It is not a de Polignac number, because 112071504865 - 2¹ = 112071504863 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112071504863) 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 3 ways as a sum of consecutive naturals, for example, 11207150482 + ... + 11207150491.

It is an arithmetic number, because the mean of its divisors is an integer number (33621451461).

Almost surely, 2^112071504865 is an apocalyptic number.

It is an amenable number.

112071504865 is a deficient number, since it is larger than the sum of its proper divisors (22414300979).

112071504865 is an equidigital number, since it uses as much as digits as its factorization.

112071504865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22414300978.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 112071504865 in words is "one hundred twelve billion, seventy-one million, five hundred four thousand, eight hundred sixty-five".