112223161442565 has 48 divisors (see below), whose sum is σ = 197506481373552. Its totient is φ = 58936155558912.

The previous prime is 112223161442551. The next prime is 112223161442597. The reversal of 112223161442565 is 565244161322211.

112223161442565 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 2 + 3 + 1 + 614 + 4 + 25 + 6 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 30114445201569 + 82108716240996 = 5487663^2 + 9061386^2 .

It is not a de Polignac number, because 112223161442565 - 2³⁴ = 112205981573381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 112223161442565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25851142 + ... + 29878551.

It is an arithmetic number, because the mean of its divisors is an integer number (4114718361949).

Almost surely, 2^{112223161442565} is an apocalyptic number.

112223161442565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112223161442565 is a deficient number, since it is larger than the sum of its proper divisors (85283319930987).

112223161442565 is a wasteful number, since it uses less digits than its factorization.

112223161442565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55730390 (or 55730387 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 112223161442565 in words is "one hundred twelve trillion, two hundred twenty-three billion, one hundred sixty-one million, four hundred forty-two thousand, five hundred sixty-five".