112152306665 has 20 divisors (see below), whose sum is σ = 157003904004. Its totient is φ = 76904430624.

The previous prime is 112152306647. The next prime is 112152306667. The reversal of 112152306665 is 566603251211.

It can be written as a sum of positive squares in 2 ways, for example, as 13068376489 + 99083930176 = 114317^2 + 314776^2 .

It is not a de Polignac number, because 112152306665 - 2³⁴ = 94972437481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112152306667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4659062 + ... + 4683071.

Almost surely, 2^112152306665 is an apocalyptic number.

It is an amenable number.

112152306665 is a deficient number, since it is larger than the sum of its proper divisors (44851597339).

112152306665 is an frugal number, since it uses more digits than its factorization.

112152306665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342166 (or 9342145 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 112152306665 its reverse (566603251211), we get a palindrome (678755557876).

The spelling of 112152306665 in words is "one hundred twelve billion, one hundred fifty-two million, three hundred six thousand, six hundred sixty-five".