11661165000011 has 2 divisors, whose sum is σ = 11661165000012. Its totient is φ = 11661165000010.

The previous prime is 11661164999987. The next prime is 11661165000031. The reversal of 11661165000011 is 11000056116611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11661165000011 - 2²⁶ = 11661097891147 is a prime.

It is not a weakly prime, because it can be changed into another prime (11661165000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830582500005 + 5830582500006.

It is an arithmetic number, because the mean of its divisors is an integer number (5830582500006).

Almost surely, 2^{11661165000011} is an apocalyptic number.

11661165000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11661165000011 is an equidigital number, since it uses as much as digits as its factorization.

11661165000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 11661165000011 in words is "eleven trillion, six hundred sixty-one billion, one hundred sixty-five million, eleven", and thus it is an aban number.