1133000111 has 4 divisors (see below), whose sum is σ = 1133344392. Its totient is φ = 1132655832.

The previous prime is 1133000093. The next prime is 1133000117. The reversal of 1133000111 is 1110003311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110003311 = 13217 ⋅83983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133000111 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1133000092 and 1133000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133000117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167156 + ... + 173801.

It is an arithmetic number, because the mean of its divisors is an integer number (283336098).

Almost surely, 2^1133000111 is an apocalyptic number.

1133000111 is a deficient number, since it is larger than the sum of its proper divisors (344281).

1133000111 is an equidigital number, since it uses as much as digits as its factorization.

1133000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344280.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1133000111 is about 33660.0670082518. The cubic root of 1133000111 is about 1042.5014094413.

Adding to 1133000111 its reverse (1110003311), we get a palindrome (2243003422).

The spelling of 1133000111 in words is "one billion, one hundred thirty-three million, one hundred eleven", and thus it is an aban number.