1128526867777 has 2 divisors, whose sum is σ = 1128526867778. Its totient is φ = 1128526867776.

The previous prime is 1128526867763. The next prime is 1128526867799. The reversal of 1128526867777 is 7777686258211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939240092736 + 189286775041 = 969144^2 + 435071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128526867777 - 2⁷ = 1128526867649 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128526867177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564263433888 + 564263433889.

It is an arithmetic number, because the mean of its divisors is an integer number (564263433889).

Almost surely, 2^{1128526867777} is an apocalyptic number.

It is an amenable number.

1128526867777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128526867777 is an equidigital number, since it uses as much as digits as its factorization.

1128526867777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110638080, while the sum is 67.

The spelling of 1128526867777 in words is "one trillion, one hundred twenty-eight billion, five hundred twenty-six million, eight hundred sixty-seven thousand, seven hundred seventy-seven".