401111043 has 16 divisors (see below), whose sum is σ = 551723520. Its totient is φ = 259017696.

The previous prime is 401111041. The next prime is 401111047. The reversal of 401111043 is 340111104.

It is not a de Polignac number, because 401111043 - 2¹ = 401111041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401111041) 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, 17238 + ... + 33156.

It is an arithmetic number, because the mean of its divisors is an integer number (34482720).

Almost surely, 2^401111043 is an apocalyptic number.

401111043 is a deficient number, since it is larger than the sum of its proper divisors (150612477).

401111043 is a wasteful number, since it uses less digits than its factorization.

401111043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 401111043 is about 20027.7568139819. The cubic root of 401111043 is about 737.4878553205.

Adding to 401111043 its reverse (340111104), we get a palindrome (741222147).

The spelling of 401111043 in words is "four hundred one million, one hundred eleven thousand, forty-three".