2156112442433 has 8 divisors (see below), whose sum is σ = 2160408891648. Its totient is φ = 2151818923824.

The previous prime is 2156112442417. The next prime is 2156112442457. The reversal of 2156112442433 is 3342442116512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2156112442433 - 2⁴ = 2156112442417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2156112472433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 743216 + ... + 2205582.

It is an arithmetic number, because the mean of its divisors is an integer number (270051111456).

Almost surely, 2^{2156112442433} is an apocalyptic number.

It is an amenable number.

2156112442433 is a deficient number, since it is larger than the sum of its proper divisors (4296449215).

2156112442433 is a wasteful number, since it uses less digits than its factorization.

2156112442433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465303.

The product of its digits is 138240, while the sum is 38.

Adding to 2156112442433 its reverse (3342442116512), we get a palindrome (5498554558945).

The spelling of 2156112442433 in words is "two trillion, one hundred fifty-six billion, one hundred twelve million, four hundred forty-two thousand, four hundred thirty-three".