1128038311 has 2 divisors, whose sum is σ = 1128038312. Its totient is φ = 1128038310.

The previous prime is 1128038299. The next prime is 1128038321. The reversal of 1128038311 is 1138308211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128038311 - 2⁷ = 1128038183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1128038311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128038321) 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, 564019155 + 564019156.

It is an arithmetic number, because the mean of its divisors is an integer number (564019156).

Almost surely, 2^1128038311 is an apocalyptic number.

1128038311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128038311 is an equidigital number, since it uses as much as digits as its factorization.

1128038311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1128038311 is about 33586.2815893632. The cubic root of 1128038311 is about 1040.9773575431.

The spelling of 1128038311 in words is "one billion, one hundred twenty-eight million, thirty-eight thousand, three hundred eleven".