112405165675221 has 4 divisors (see below), whose sum is σ = 149873554233632. Its totient is φ = 74936777116812.

The previous prime is 112405165675211. The next prime is 112405165675223. The reversal of 112405165675221 is 122576561504211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112405165675221 - 2¹⁷ = 112405165544149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112405165675223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18734194279201 + ... + 18734194279206.

It is an arithmetic number, because the mean of its divisors is an integer number (37468388558408).

Almost surely, 2^{112405165675221} is an apocalyptic number.

It is an amenable number.

112405165675221 is a deficient number, since it is larger than the sum of its proper divisors (37468388558411).

112405165675221 is an equidigital number, since it uses as much as digits as its factorization.

112405165675221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37468388558410.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The spelling of 112405165675221 in words is "one hundred twelve trillion, four hundred five billion, one hundred sixty-five million, six hundred seventy-five thousand, two hundred twenty-one".