11663675273 has 2 divisors, whose sum is σ = 11663675274. Its totient is φ = 11663675272.

The previous prime is 11663675237. The next prime is 11663675297. The reversal of 11663675273 is 37257636611.

Together with previous prime (11663675237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9172467529 + 2491207744 = 95773^2 + 49912^2 .

It is a cyclic number.

It is not a de Polignac number, because 11663675273 - 2⁸ = 11663675017 is a prime.

It is not a weakly prime, because it can be changed into another prime (11663675173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831837636 + 5831837637.

It is an arithmetic number, because the mean of its divisors is an integer number (5831837637).

Almost surely, 2^11663675273 is an apocalyptic number.

It is an amenable number.

11663675273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663675273 is an equidigital number, since it uses as much as digits as its factorization.

11663675273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The spelling of 11663675273 in words is "eleven billion, six hundred sixty-three million, six hundred seventy-five thousand, two hundred seventy-three".