400004545111 has 2 divisors, whose sum is σ = 400004545112. Its totient is φ = 400004545110.

The previous prime is 400004545093. The next prime is 400004545123. The reversal of 400004545111 is 111545400004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400004545111 - 2⁷ = 400004544983 is a prime.

It is a super-2 number, since 2×400004545111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400044545111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200002272555 + 200002272556.

It is an arithmetic number, because the mean of its divisors is an integer number (200002272556).

Almost surely, 2^400004545111 is an apocalyptic number.

400004545111 is a deficient number, since it is larger than the sum of its proper divisors (1).

400004545111 is an equidigital number, since it uses as much as digits as its factorization.

400004545111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 400004545111 its reverse (111545400004), we get a palindrome (511549945115).

The spelling of 400004545111 in words is "four hundred billion, four million, five hundred forty-five thousand, one hundred eleven".