400006162111 has 2 divisors, whose sum is σ = 400006162112. Its totient is φ = 400006162110.

The previous prime is 400006162103. The next prime is 400006162117. The reversal of 400006162111 is 111261600004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400006162111 - 2³ = 400006162103 is a prime.

It is a super-2 number, since 2×400006162111² (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 (400006162117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200003081055 + 200003081056.

It is an arithmetic number, because the mean of its divisors is an integer number (200003081056).

Almost surely, 2^400006162111 is an apocalyptic number.

400006162111 is a deficient number, since it is larger than the sum of its proper divisors (1).

400006162111 is an equidigital number, since it uses as much as digits as its factorization.

400006162111 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 22.

Adding to 400006162111 its reverse (111261600004), we get a palindrome (511267762115).

The spelling of 400006162111 in words is "four hundred billion, six million, one hundred sixty-two thousand, one hundred eleven".