11664661550153 has 2 divisors, whose sum is σ = 11664661550154. Its totient is φ = 11664661550152.

The previous prime is 11664661550123. The next prime is 11664661550161. The reversal of 11664661550153 is 35105516646611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9216397365904 + 2448264184249 = 3035852^2 + 1564693^2 .

It is a cyclic number.

It is not a de Polignac number, because 11664661550153 - 2¹⁶ = 11664661484617 is a prime.

It is not a weakly prime, because it can be changed into another prime (11664661550123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5832330775076 + 5832330775077.

It is an arithmetic number, because the mean of its divisors is an integer number (5832330775077).

Almost surely, 2^{11664661550153} is an apocalyptic number.

It is an amenable number.

11664661550153 is a deficient number, since it is larger than the sum of its proper divisors (1).

11664661550153 is an equidigital number, since it uses as much as digits as its factorization.

11664661550153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 11664661550153 in words is "eleven trillion, six hundred sixty-four billion, six hundred sixty-one million, five hundred fifty thousand, one hundred fifty-three".