400411023321111 has 16 divisors (see below), whose sum is σ = 582416633843328. Its totient is φ = 242673097500000.

The previous prime is 400411023321053. The next prime is 400411023321121. The reversal of 400411023321111 is 111123320114004.

It is not a de Polignac number, because 400411023321111 - 2³¹ = 400408875837463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400411023321121) 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, 29289861 + ... + 40727361.

It is an arithmetic number, because the mean of its divisors is an integer number (36401039615208).

Almost surely, 2^{400411023321111} is an apocalyptic number.

400411023321111 is a deficient number, since it is larger than the sum of its proper divisors (182005610522217).

400411023321111 is a wasteful number, since it uses less digits than its factorization.

400411023321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498382.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 400411023321111 its reverse (111123320114004), we get a palindrome (511534343435115).

The spelling of 400411023321111 in words is "four hundred trillion, four hundred eleven billion, twenty-three million, three hundred twenty-one thousand, one hundred eleven".