1111240163 has 6 divisors (see below), whose sum is σ = 1221445932. Its totient is φ = 1010218220.

The previous prime is 1111240093. The next prime is 1111240177. The reversal of 1111240163 is 3610421111.

It is a happy number.

It is not a de Polignac number, because 1111240163 - 2¹² = 1111236067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111270163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4591781 + ... + 4592022.

It is an arithmetic number, because the mean of its divisors is an integer number (203574322).

Almost surely, 2^1111240163 is an apocalyptic number.

1111240163 is a deficient number, since it is larger than the sum of its proper divisors (110205769).

1111240163 is an equidigital number, since it uses as much as digits as its factorization.

1111240163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183825 (or 9183814 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1111240163 is about 33335.2690554614. The cubic root of 1111240163 is about 1035.7842665213.

Adding to 1111240163 its reverse (3610421111), we get a palindrome (4721661274).

The spelling of 1111240163 in words is "one billion, one hundred eleven million, two hundred forty thousand, one hundred sixty-three".