1128309643771 has 2 divisors, whose sum is σ = 1128309643772. Its totient is φ = 1128309643770.

The previous prime is 1128309643757. The next prime is 1128309643829. The reversal of 1128309643771 is 1773469038211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1128309643771 - 2³³ = 1119719709179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128309683771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564154821885 + 564154821886.

It is an arithmetic number, because the mean of its divisors is an integer number (564154821886).

Almost surely, 2^{1128309643771} is an apocalyptic number.

1128309643771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128309643771 is an equidigital number, since it uses as much as digits as its factorization.

1128309643771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 1128309643771 in words is "one trillion, one hundred twenty-eight billion, three hundred nine million, six hundred forty-three thousand, seven hundred seventy-one".