40505544403211 has 2 divisors, whose sum is σ = 40505544403212. Its totient is φ = 40505544403210.

The previous prime is 40505544403183. The next prime is 40505544403237. The reversal of 40505544403211 is 11230444550504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40505544403211 - 2⁶ = 40505544403147 is a prime.

It is a super-2 number, since 2×40505544403211² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40505544403111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20252772201605 + 20252772201606.

It is an arithmetic number, because the mean of its divisors is an integer number (20252772201606).

Almost surely, 2^{40505544403211} is an apocalyptic number.

40505544403211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40505544403211 is an equidigital number, since it uses as much as digits as its factorization.

40505544403211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 40505544403211 its reverse (11230444550504), we get a palindrome (51735988953715).

The spelling of 40505544403211 in words is "forty trillion, five hundred five billion, five hundred forty-four million, four hundred three thousand, two hundred eleven".