401043611 has 2 divisors, whose sum is σ = 401043612. Its totient is φ = 401043610.

The previous prime is 401043569. The next prime is 401043619. The reversal of 401043611 is 116340104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401043611 - 2⁶ = 401043547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401043619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200521805 + 200521806.

It is an arithmetic number, because the mean of its divisors is an integer number (200521806).

Almost surely, 2^401043611 is an apocalyptic number.

401043611 is a deficient number, since it is larger than the sum of its proper divisors (1).

401043611 is an equidigital number, since it uses as much as digits as its factorization.

401043611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 401043611 is about 20026.0732796023. The cubic root of 401043611 is about 737.4465258940.

Adding to 401043611 its reverse (116340104), we get a palindrome (517383715).

The spelling of 401043611 in words is "four hundred one million, forty-three thousand, six hundred eleven".