43045534121 has 8 divisors (see below), whose sum is σ = 43911538944. Its totient is φ = 42188146560.

The previous prime is 43045534111. The next prime is 43045534139. The reversal of 43045534121 is 12143554034.

43045534121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43045534121 - 2¹⁸ = 43045271977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43045534111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144225 + ... + 2164206.

It is an arithmetic number, because the mean of its divisors is an integer number (5488942368).

Almost surely, 2^43045534121 is an apocalyptic number.

It is an amenable number.

43045534121 is a deficient number, since it is larger than the sum of its proper divisors (866004823).

43045534121 is a wasteful number, since it uses less digits than its factorization.

43045534121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308631.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 43045534121 in words is "forty-three billion, forty-five million, five hundred thirty-four thousand, one hundred twenty-one".