40163111 has 2 divisors, whose sum is σ = 40163112. Its totient is φ = 40163110.

The previous prime is 40163089. The next prime is 40163117. The reversal of 40163111 is 11136104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40163111 - 2¹⁸ = 39900967 is a prime.

It is a super-2 number, since 2×40163111² = 3226150970396642, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40163111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40163117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081555 + 20081556.

It is an arithmetic number, because the mean of its divisors is an integer number (20081556).

Almost surely, 2^40163111 is an apocalyptic number.

40163111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40163111 is an equidigital number, since it uses as much as digits as its factorization.

40163111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 40163111 is about 6337.4372580721. The cubic root of 40163111 is about 342.4594187094.

Adding to 40163111 its reverse (11136104), we get a palindrome (51299215).

The spelling of 40163111 in words is "forty million, one hundred sixty-three thousand, one hundred eleven".