1131111119 has 4 divisors (see below), whose sum is σ = 1131292440. Its totient is φ = 1130929800.

The previous prime is 1131111101. The next prime is 1131111139. The reversal of 1131111119 is 9111111311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131111119 - 2⁸ = 1131110863 is a prime.

It is a super-2 number, since 2×1131111119² = 2558824727050864322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131111119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131111139) 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 in 3 ways as a sum of consecutive naturals, for example, 80957 + ... + 93894.

It is an arithmetic number, because the mean of its divisors is an integer number (282823110).

Almost surely, 2^1131111119 is an apocalyptic number.

1131111119 is a deficient number, since it is larger than the sum of its proper divisors (181321).

1131111119 is an equidigital number, since it uses as much as digits as its factorization.

1131111119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181320.

The product of its digits is 27, while the sum is 20.

The square root of 1131111119 is about 33631.9954656277. The cubic root of 1131111119 is about 1041.9217177471.

The spelling of 1131111119 in words is "one billion, one hundred thirty-one million, one hundred eleven thousand, one hundred nineteen".