1100011889 has 2 divisors, whose sum is σ = 1100011890. Its totient is φ = 1100011888.

The previous prime is 1100011793. The next prime is 1100011903. The reversal of 1100011889 is 9881100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1098591025 + 1420864 = 33145^2 + 1192^2 .

It is an emirp because it is prime and its reverse (9881100011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100011889 - 2²⁴ = 1083234673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100011189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005944 + 550005945.

It is an arithmetic number, because the mean of its divisors is an integer number (550005945).

Almost surely, 2^1100011889 is an apocalyptic number.

It is an amenable number.

1100011889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100011889 is an equidigital number, since it uses as much as digits as its factorization.

1100011889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 1100011889 is about 33166.4271364885. The cubic root of 1100011889 is about 1032.2838344667.

It can be divided in two parts, 1100011 and 889, that multiplied together give a palindrome (977909779).

The spelling of 1100011889 in words is "one billion, one hundred million, eleven thousand, eight hundred eighty-nine".