11038940611 has 2 divisors, whose sum is σ = 11038940612. Its totient is φ = 11038940610.

The previous prime is 11038940609. The next prime is 11038940681. The reversal of 11038940611 is 11604983011.

It is a weak prime.

It is an emirp because it is prime and its reverse (11604983011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11038940611 - 2¹ = 11038940609 is a prime.

Together with 11038940609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11038940681) 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, 5519470305 + 5519470306.

It is an arithmetic number, because the mean of its divisors is an integer number (5519470306).

Almost surely, 2^11038940611 is an apocalyptic number.

11038940611 is a deficient number, since it is larger than the sum of its proper divisors (1).

11038940611 is an equidigital number, since it uses as much as digits as its factorization.

11038940611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 11038940611 in words is "eleven billion, thirty-eight million, nine hundred forty thousand, six hundred eleven".