11660590369 has 2 divisors, whose sum is σ = 11660590370. Its totient is φ = 11660590368.

The previous prime is 11660590351. The next prime is 11660590391. The reversal of 11660590369 is 96309506611.

11660590369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9542749969 + 2117840400 = 97687^2 + 46020^2 .

It is an emirp because it is prime and its reverse (96309506611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11660590369 - 2¹¹ = 11660588321 is a prime.

It is a super-2 number, since 2×11660590369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11660590399) 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, 5830295184 + 5830295185.

It is an arithmetic number, because the mean of its divisors is an integer number (5830295185).

Almost surely, 2^11660590369 is an apocalyptic number.

It is an amenable number.

11660590369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660590369 is an equidigital number, since it uses as much as digits as its factorization.

11660590369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The spelling of 11660590369 in words is "eleven billion, six hundred sixty million, five hundred ninety thousand, three hundred sixty-nine".