1131449677073 has 2 divisors, whose sum is σ = 1131449677074. Its totient is φ = 1131449677072.

The previous prime is 1131449677027. The next prime is 1131449677147. The reversal of 1131449677073 is 3707769441311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654047447824 + 477402229249 = 808732^2 + 690943^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131449677073 - 2⁶ = 1131449677009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131449677003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565724838536 + 565724838537.

It is an arithmetic number, because the mean of its divisors is an integer number (565724838537).

Almost surely, 2^{1131449677073} is an apocalyptic number.

It is an amenable number.

1131449677073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131449677073 is an equidigital number, since it uses as much as digits as its factorization.

1131449677073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 1131449677073 in words is "one trillion, one hundred thirty-one billion, four hundred forty-nine million, six hundred seventy-seven thousand, seventy-three".