43111040144 has 80 divisors (see below), whose sum is σ = 86263697520. Its totient is φ = 20858880000.

The previous prime is 43111040117. The next prime is 43111040149. The reversal of 43111040144 is 44104011134.

It can be written as a sum of positive squares in 8 ways, for example, as 319980544 + 42791059600 = 17888^2 + 206860^2 .

It is not an unprimeable number, because it can be changed into a prime (43111040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61498994 + ... + 61499694.

It is an arithmetic number, because the mean of its divisors is an integer number (1078296219).

Almost surely, 2^43111040144 is an apocalyptic number.

It is an amenable number.

43111040144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

43111040144 is a wasteful number, since it uses less digits than its factorization.

43111040144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 43111040144 its reverse (44104011134), we get a palindrome (87215051278).

The spelling of 43111040144 in words is "forty-three billion, one hundred eleven million, forty thousand, one hundred forty-four".