43135441121 has 16 divisors (see below), whose sum is σ = 45284126976. Its totient is φ = 41040078336.

The previous prime is 43135441081. The next prime is 43135441159. The reversal of 43135441121 is 12114453134.

It is a cyclic number.

It is not a de Polignac number, because 43135441121 - 2¹⁰ = 43135440097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43135441021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053745 + ... + 2074641.

It is an arithmetic number, because the mean of its divisors is an integer number (2830257936).

Almost surely, 2^43135441121 is an apocalyptic number.

It is an amenable number.

43135441121 is a deficient number, since it is larger than the sum of its proper divisors (2148685855).

43135441121 is a wasteful number, since it uses less digits than its factorization.

43135441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22168.

The product of its digits is 5760, while the sum is 29.

Adding to 43135441121 its reverse (12114453134), we get a palindrome (55249894255).

The spelling of 43135441121 in words is "forty-three billion, one hundred thirty-five million, four hundred forty-one thousand, one hundred twenty-one".