1128603611 has 2 divisors, whose sum is σ = 1128603612. Its totient is φ = 1128603610.

The previous prime is 1128603601. The next prime is 1128603613. The reversal of 1128603611 is 1163068211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1163068211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128603611 - 2⁶ = 1128603547 is a prime.

It is a super-2 number, since 2×1128603611² = 2547492221524478642, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1128603613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1128603613) 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, 564301805 + 564301806.

It is an arithmetic number, because the mean of its divisors is an integer number (564301806).

Almost surely, 2^1128603611 is an apocalyptic number.

1128603611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128603611 is an equidigital number, since it uses as much as digits as its factorization.

1128603611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1128603611 is about 33594.6961736522. The cubic root of 1128603611 is about 1041.1512187266.

The spelling of 1128603611 in words is "one billion, one hundred twenty-eight million, six hundred three thousand, six hundred eleven".