11164203511 has 2 divisors, whose sum is σ = 11164203512. Its totient is φ = 11164203510.

The previous prime is 11164203499. The next prime is 11164203553. The reversal of 11164203511 is 11530246111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11164203511 - 2¹¹ = 11164201463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11164201511) 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, 5582101755 + 5582101756.

It is an arithmetic number, because the mean of its divisors is an integer number (5582101756).

Almost surely, 2^11164203511 is an apocalyptic number.

11164203511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11164203511 is an equidigital number, since it uses as much as digits as its factorization.

11164203511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 11164203511 its reverse (11530246111), we get a palindrome (22694449622).

The spelling of 11164203511 in words is "eleven billion, one hundred sixty-four million, two hundred three thousand, five hundred eleven".