1149009148817 has 2 divisors, whose sum is σ = 1149009148818. Its totient is φ = 1149009148816.

The previous prime is 1149009148789. The next prime is 1149009148829. The reversal of 1149009148817 is 7188419009411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1030541704336 + 118467444481 = 1015156^2 + 344191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149009148817 - 2³⁶ = 1080289672081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1149009148517) 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, 574504574408 + 574504574409.

It is an arithmetic number, because the mean of its divisors is an integer number (574504574409).

Almost surely, 2^{1149009148817} is an apocalyptic number.

It is an amenable number.

1149009148817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149009148817 is an equidigital number, since it uses as much as digits as its factorization.

1149009148817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 53.

The spelling of 1149009148817 in words is "one trillion, one hundred forty-nine billion, nine million, one hundred forty-eight thousand, eight hundred seventeen".