11606866393 has 2 divisors, whose sum is σ = 11606866394. Its totient is φ = 11606866392.

The previous prime is 11606866321. The next prime is 11606866429. The reversal of 11606866393 is 39366860611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10388297929 + 1218568464 = 101923^2 + 34908^2 .

It is a cyclic number.

It is not a de Polignac number, because 11606866393 - 2¹⁷ = 11606735321 is a prime.

It is not a weakly prime, because it can be changed into another prime (11606861393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5803433196 + 5803433197.

It is an arithmetic number, because the mean of its divisors is an integer number (5803433197).

Almost surely, 2^11606866393 is an apocalyptic number.

It is an amenable number.

11606866393 is a deficient number, since it is larger than the sum of its proper divisors (1).

11606866393 is an equidigital number, since it uses as much as digits as its factorization.

11606866393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 11606866393 in words is "eleven billion, six hundred six million, eight hundred sixty-six thousand, three hundred ninety-three".