112571216465 has 16 divisors (see below), whose sum is σ = 139757346000. Its totient is φ = 86942994432.

The previous prime is 112571216419. The next prime is 112571216477. The reversal of 112571216465 is 564612175211.

It can be written as a sum of positive squares in 8 ways, for example, as 19018321 + 112552198144 = 4361^2 + 335488^2 .

It is a cyclic number.

It is not a de Polignac number, because 112571216465 - 2⁸ = 112571216209 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1714889 + ... + 1779321.

It is an arithmetic number, because the mean of its divisors is an integer number (8734834125).

Almost surely, 2^112571216465 is an apocalyptic number.

It is an amenable number.

112571216465 is a deficient number, since it is larger than the sum of its proper divisors (27186129535).

112571216465 is a wasteful number, since it uses less digits than its factorization.

112571216465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76516.

The product of its digits is 100800, while the sum is 41.

The spelling of 112571216465 in words is "one hundred twelve billion, five hundred seventy-one million, two hundred sixteen thousand, four hundred sixty-five".