40013311511 has 2 divisors, whose sum is σ = 40013311512. Its totient is φ = 40013311510.

The previous prime is 40013311477. The next prime is 40013311523. The reversal of 40013311511 is 11511331004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40013311511 - 2⁶ = 40013311447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40013311711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006655755 + 20006655756.

It is an arithmetic number, because the mean of its divisors is an integer number (20006655756).

Almost surely, 2^40013311511 is an apocalyptic number.

40013311511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40013311511 is an equidigital number, since it uses as much as digits as its factorization.

40013311511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 40013311511 its reverse (11511331004), we get a palindrome (51524642515).

The spelling of 40013311511 in words is "forty billion, thirteen million, three hundred eleven thousand, five hundred eleven".