1148920289249 has 2 divisors, whose sum is σ = 1148920289250. Its totient is φ = 1148920289248.

The previous prime is 1148920289221. The next prime is 1148920289263. The reversal of 1148920289249 is 9429820298411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1141959390625 + 6960898624 = 1068625^2 + 83432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148920289249 - 2¹⁶ = 1148920223713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1148920289849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574460144624 + 574460144625.

It is an arithmetic number, because the mean of its divisors is an integer number (574460144625).

Almost surely, 2^{1148920289249} is an apocalyptic number.

It is an amenable number.

1148920289249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148920289249 is an equidigital number, since it uses as much as digits as its factorization.

1148920289249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5971968, while the sum is 59.

The spelling of 1148920289249 in words is "one trillion, one hundred forty-eight billion, nine hundred twenty million, two hundred eighty-nine thousand, two hundred forty-nine".