401135303111 has 4 divisors (see below), whose sum is σ = 401140135824. Its totient is φ = 401130470400.

The previous prime is 401135303057. The next prime is 401135303131. The reversal of 401135303111 is 111303531104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401135303111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401135303131) 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 3 ways as a sum of consecutive naturals, for example, 2289635 + ... + 2458596.

It is an arithmetic number, because the mean of its divisors is an integer number (100285033956).

Almost surely, 2^401135303111 is an apocalyptic number.

401135303111 is a deficient number, since it is larger than the sum of its proper divisors (4832713).

401135303111 is an equidigital number, since it uses as much as digits as its factorization.

401135303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832712.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 401135303111 its reverse (111303531104), we get a palindrome (512438834215).

The spelling of 401135303111 in words is "four hundred one billion, one hundred thirty-five million, three hundred three thousand, one hundred eleven".