11156606663 has 2 divisors, whose sum is σ = 11156606664. Its totient is φ = 11156606662.

The previous prime is 11156606627. The next prime is 11156606683. The reversal of 11156606663 is 36660665111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11156606663 - 2¹⁰ = 11156605639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11156606663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156606603) 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, 5578303331 + 5578303332.

It is an arithmetic number, because the mean of its divisors is an integer number (5578303332).

Almost surely, 2^11156606663 is an apocalyptic number.

11156606663 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156606663 is an equidigital number, since it uses as much as digits as its factorization.

11156606663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 11156606663 in words is "eleven billion, one hundred fifty-six million, six hundred six thousand, six hundred sixty-three".