112005665165 has 4 divisors (see below), whose sum is σ = 134406798204. Its totient is φ = 89604532128.

The previous prime is 112005665159. The next prime is 112005665207. The reversal of 112005665165 is 561566500211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61332503716 + 50673161449 = 247654^2 + 225107^2 .

It is a cyclic number.

It is not a de Polignac number, because 112005665165 - 2⁸ = 112005664909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11200566512 + ... + 11200566521.

It is an arithmetic number, because the mean of its divisors is an integer number (33601699551).

Almost surely, 2^112005665165 is an apocalyptic number.

It is an amenable number.

112005665165 is a deficient number, since it is larger than the sum of its proper divisors (22401133039).

112005665165 is an equidigital number, since it uses as much as digits as its factorization.

112005665165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22401133038.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 112005665165 in words is "one hundred twelve billion, five million, six hundred sixty-five thousand, one hundred sixty-five".