401143443111 has 12 divisors (see below), whose sum is σ = 580018880688. Its totient is φ = 267156902304.

The previous prime is 401143443059. The next prime is 401143443121. The reversal of 401143443111 is 111344341104.

401143443111 is a `hidden beast` number, since 4 + 0 + 1 + 1 + 4 + 344 + 311 + 1 = 666.

It is not a de Polignac number, because 401143443111 - 2⁷ = 401143442983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401143443121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22662310 + ... + 22680003.

It is an arithmetic number, because the mean of its divisors is an integer number (48334906724).

Almost surely, 2^401143443111 is an apocalyptic number.

401143443111 is a deficient number, since it is larger than the sum of its proper divisors (178875437577).

401143443111 is a wasteful number, since it uses less digits than its factorization.

401143443111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45343302 (or 45343299 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 401143443111 its reverse (111344341104), we get a palindrome (512487784215).

The spelling of 401143443111 in words is "four hundred one billion, one hundred forty-three million, four hundred forty-three thousand, one hundred eleven".