1152687648689 has 2 divisors, whose sum is σ = 1152687648690. Its totient is φ = 1152687648688.

The previous prime is 1152687648643. The next prime is 1152687648757. The reversal of 1152687648689 is 9868467862511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016098272289 + 136589376400 = 1008017^2 + 369580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152687648689 - 2³² = 1148392681393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1152687641689) 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, 576343824344 + 576343824345.

It is an arithmetic number, because the mean of its divisors is an integer number (576343824345).

Almost surely, 2^{1152687648689} is an apocalyptic number.

It is an amenable number.

1152687648689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152687648689 is an equidigital number, since it uses as much as digits as its factorization.

1152687648689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 278691840, while the sum is 71.

The spelling of 1152687648689 in words is "one trillion, one hundred fifty-two billion, six hundred eighty-seven million, six hundred forty-eight thousand, six hundred eighty-nine".