11473126289 has 2 divisors, whose sum is σ = 11473126290. Its totient is φ = 11473126288.

The previous prime is 11473126237. The next prime is 11473126333. The reversal of 11473126289 is 98262137411.

It is an a-pointer prime, because the next prime (11473126333) can be obtained adding 11473126289 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7811908225 + 3661218064 = 88385^2 + 60508^2 .

It is an emirp because it is prime and its reverse (98262137411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11473126289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11473126219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736563144 + 5736563145.

It is an arithmetic number, because the mean of its divisors is an integer number (5736563145).

Almost surely, 2^11473126289 is an apocalyptic number.

It is an amenable number.

11473126289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11473126289 is an equidigital number, since it uses as much as digits as its factorization.

11473126289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The spelling of 11473126289 in words is "eleven billion, four hundred seventy-three million, one hundred twenty-six thousand, two hundred eighty-nine".