11660159653 has 2 divisors, whose sum is σ = 11660159654. Its totient is φ = 11660159652.

The previous prime is 11660159627. The next prime is 11660159657. The reversal of 11660159653 is 35695106611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7910679364 + 3749480289 = 88942^2 + 61233^2 .

It is a cyclic number.

It is not a de Polignac number, because 11660159653 - 2⁹ = 11660159141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660159657) 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, 5830079826 + 5830079827.

It is an arithmetic number, because the mean of its divisors is an integer number (5830079827).

Almost surely, 2^11660159653 is an apocalyptic number.

It is an amenable number.

11660159653 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660159653 is an equidigital number, since it uses as much as digits as its factorization.

11660159653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 11660159653 in words is "eleven billion, six hundred sixty million, one hundred fifty-nine thousand, six hundred fifty-three".