1111040111 has 8 divisors (see below), whose sum is σ = 1118768640. Its totient is φ = 1103323032.

The previous prime is 1111040087. The next prime is 1111040129. The reversal of 1111040111 is 1110401111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111040111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111040092 and 1111040101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111040131) 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 7 ways as a sum of consecutive naturals, for example, 295280 + ... + 299018.

It is an arithmetic number, because the mean of its divisors is an integer number (139846080).

Almost surely, 2^1111040111 is an apocalyptic number.

1111040111 is a deficient number, since it is larger than the sum of its proper divisors (7728529).

1111040111 is a wasteful number, since it uses less digits than its factorization.

1111040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725.

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1111040111 is about 33332.2683146527. The cubic root of 1111040111 is about 1035.7221067960.

Adding to 1111040111 its reverse (1110401111), we get a palindrome (2221441222).

The spelling of 1111040111 in words is "one billion, one hundred eleven million, forty thousand, one hundred eleven".