401144315111 has 2 divisors, whose sum is σ = 401144315112. Its totient is φ = 401144315110.

The previous prime is 401144315063. The next prime is 401144315119. The reversal of 401144315111 is 111513441104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 401144315111 - 2³⁴ = 383964445927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401144315119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200572157555 + 200572157556.

It is an arithmetic number, because the mean of its divisors is an integer number (200572157556).

Almost surely, 2^401144315111 is an apocalyptic number.

401144315111 is a deficient number, since it is larger than the sum of its proper divisors (1).

401144315111 is an equidigital number, since it uses as much as digits as its factorization.

401144315111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 401144315111 its reverse (111513441104), we get a palindrome (512657756215).

The spelling of 401144315111 in words is "four hundred one billion, one hundred forty-four million, three hundred fifteen thousand, one hundred eleven".