43648285531161 has 4 divisors (see below), whose sum is σ = 58197714041552. Its totient is φ = 29098857020772.

The previous prime is 43648285531129. The next prime is 43648285531211. The reversal of 43648285531161 is 16113558284634.

43648285531161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43648285531161 - 2⁵ = 43648285531129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43648285931161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7274714255191 + ... + 7274714255196.

It is an arithmetic number, because the mean of its divisors is an integer number (14549428510388).

Almost surely, 2^{43648285531161} is an apocalyptic number.

It is an amenable number.

43648285531161 is a deficient number, since it is larger than the sum of its proper divisors (14549428510391).

43648285531161 is a wasteful number, since it uses less digits than its factorization.

43648285531161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14549428510390.

The product of its digits is 16588800, while the sum is 57.

It can be divided in two parts, 4364828 and 5531161, that added together give a palindrome (9895989).

The spelling of 43648285531161 in words is "forty-three trillion, six hundred forty-eight billion, two hundred eighty-five million, five hundred thirty-one thousand, one hundred sixty-one".