42043144311 has 64 divisors (see below), whose sum is σ = 75002572800. Its totient is φ = 22738369248.

The previous prime is 42043144271. The next prime is 42043144327. The reversal of 42043144311 is 11344134024.

42043144311 is a `hidden beast` number, since 4 + 204 + 3 + 1 + 443 + 11 = 666.

It is not a de Polignac number, because 42043144311 - 2¹³ = 42043136119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043144391) 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 63 ways as a sum of consecutive naturals, for example, 4171300 + ... + 4181366.

It is an arithmetic number, because the mean of its divisors is an integer number (1171915200).

Almost surely, 2^42043144311 is an apocalyptic number.

42043144311 is a deficient number, since it is larger than the sum of its proper divisors (32959428489).

42043144311 is a wasteful number, since it uses less digits than its factorization.

42043144311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11265 (or 11259 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 42043144311 its reverse (11344134024), we get a palindrome (53387278335).

The spelling of 42043144311 in words is "forty-two billion, forty-three million, one hundred forty-four thousand, three hundred eleven".