1126788083989 has 2 divisors, whose sum is σ = 1126788083990. Its totient is φ = 1126788083988.

The previous prime is 1126788083977. The next prime is 1126788084007. The reversal of 1126788083989 is 9893808876211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 866109422500 + 260678661489 = 930650^2 + 510567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126788083989 - 2¹¹ = 1126788081941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126788083929) 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, 563394041994 + 563394041995.

It is an arithmetic number, because the mean of its divisors is an integer number (563394041995).

Almost surely, 2^{1126788083989} is an apocalyptic number.

It is an amenable number.

1126788083989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126788083989 is an equidigital number, since it uses as much as digits as its factorization.

1126788083989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 70.

The spelling of 1126788083989 in words is "one trillion, one hundred twenty-six billion, seven hundred eighty-eight million, eighty-three thousand, nine hundred eighty-nine".