11665048611001 has 2 divisors, whose sum is σ = 11665048611002. Its totient is φ = 11665048611000.

The previous prime is 11665048610977. The next prime is 11665048611011. The reversal of 11665048611001 is 10011684056611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11562033289401 + 103015321600 = 3400299^2 + 320960^2 .

It is a cyclic number.

It is not a de Polignac number, because 11665048611001 - 2¹⁵ = 11665048578233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11665048611011) 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, 5832524305500 + 5832524305501.

It is an arithmetic number, because the mean of its divisors is an integer number (5832524305501).

Almost surely, 2^{11665048611001} is an apocalyptic number.

It is an amenable number.

11665048611001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11665048611001 is an equidigital number, since it uses as much as digits as its factorization.

11665048611001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 11665048611001 in words is "eleven trillion, six hundred sixty-five billion, forty-eight million, six hundred eleven thousand, one".