1111004311 has 4 divisors (see below), whose sum is σ = 1112612824. Its totient is φ = 1109395800.

The previous prime is 1111004303. The next prime is 1111004327. The reversal of 1111004311 is 1134001111.

It is a happy number.

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 1111004311 - 2³ = 1111004303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111004291 and 1111004300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111004371) 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, 803220 + ... + 804601.

It is an arithmetic number, because the mean of its divisors is an integer number (278153206).

Almost surely, 2^1111004311 is an apocalyptic number.

1111004311 is a deficient number, since it is larger than the sum of its proper divisors (1608513).

1111004311 is an equidigital number, since it uses as much as digits as its factorization.

1111004311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608512.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1111004311 is about 33331.7312931687. The cubic root of 1111004311 is about 1035.7109823103.

Adding to 1111004311 its reverse (1134001111), we get a palindrome (2245005422).

The spelling of 1111004311 in words is "one billion, one hundred eleven million, four thousand, three hundred eleven".