1128985577653 has 2 divisors, whose sum is σ = 1128985577654. Its totient is φ = 1128985577652.

The previous prime is 1128985577651. The next prime is 1128985577663. The reversal of 1128985577653 is 3567755898211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1003316745649 + 125668832004 = 1001657^2 + 354498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128985577653 - 2¹ = 1128985577651 is a prime.

Together with 1128985577651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128985577651) 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, 564492788826 + 564492788827.

It is an arithmetic number, because the mean of its divisors is an integer number (564492788827).

Almost surely, 2^{1128985577653} is an apocalyptic number.

It is an amenable number.

1128985577653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128985577653 is an equidigital number, since it uses as much as digits as its factorization.

1128985577653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008000, while the sum is 67.

The spelling of 1128985577653 in words is "one trillion, one hundred twenty-eight billion, nine hundred eighty-five million, five hundred seventy-seven thousand, six hundred fifty-three".