1111135889 has 4 divisors (see below), whose sum is σ = 1111540224. Its totient is φ = 1110731556.

The previous prime is 1111135811. The next prime is 1111135891. The reversal of 1111135889 is 9885311111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111135889 - 2²⁸ = 842700433 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1111135489) 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 in 3 ways as a sum of consecutive naturals, for example, 198017 + ... + 203550.

It is an arithmetic number, because the mean of its divisors is an integer number (277885056).

Almost surely, 2^1111135889 is an apocalyptic number.

It is an amenable number.

1111135889 is a deficient number, since it is larger than the sum of its proper divisors (404335).

1111135889 is an equidigital number, since it uses as much as digits as its factorization.

1111135889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404334.

The product of its digits is 8640, while the sum is 38.

The square root of 1111135889 is about 33333.7049995946. The cubic root of 1111135889 is about 1035.7518676602.

The spelling of 1111135889 in words is "one billion, one hundred eleven million, one hundred thirty-five thousand, eight hundred eighty-nine".