40052011 has 2 divisors, whose sum is σ = 40052012. Its totient is φ = 40052010.

The previous prime is 40052009. The next prime is 40052021. The reversal of 40052011 is 11025004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40052011 - 2¹ = 40052009 is a prime.

Together with 40052009, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40051982 and 40052000.

It is not a weakly prime, because it can be changed into another prime (40052021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20026005 + 20026006.

It is an arithmetic number, because the mean of its divisors is an integer number (20026006).

Almost surely, 2^40052011 is an apocalyptic number.

40052011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40052011 is an equidigital number, since it uses as much as digits as its factorization.

40052011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 40052011 is about 6328.6658151620. The cubic root of 40052011 is about 342.1433544004.

Adding to 40052011 its reverse (11025004), we get a palindrome (51077015).

The spelling of 40052011 in words is "forty million, fifty-two thousand, eleven".