40056011 has 2 divisors, whose sum is σ = 40056012. Its totient is φ = 40056010.

The previous prime is 40056007. The next prime is 40056013. The reversal of 40056011 is 11065004.

It is a happy number.

40056011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40056011 - 2² = 40056007 is a prime.

Together with 40056013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40056013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20028005 + 20028006.

It is an arithmetic number, because the mean of its divisors is an integer number (20028006).

Almost surely, 2^40056011 is an apocalyptic number.

40056011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40056011 is an equidigital number, since it uses as much as digits as its factorization.

40056011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 40056011 is about 6328.9818296469. The cubic root of 40056011 is about 342.1547439896.

The spelling of 40056011 in words is "forty million, fifty-six thousand, eleven".