1113663111 has 32 divisors (see below), whose sum is σ = 1680983808. Its totient is φ = 649866240.

The previous prime is 1113663091. The next prime is 1113663113.

1113663111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1113663111 - 2¹⁷ = 1113532039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113663113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113736 + ... + 123138.

It is an arithmetic number, because the mean of its divisors is an integer number (52530744).

Almost surely, 2^1113663111 is an apocalyptic number.

1113663111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1113663111 is a deficient number, since it is larger than the sum of its proper divisors (567320697).

1113663111 is a wasteful number, since it uses less digits than its factorization.

1113663111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551.

The product of its digits is 324, while the sum is 24.

The square root of 1113663111 is about 33371.5913764987. The cubic root of 1113663111 is about 1036.5365280312.

It can be divided in two parts, 11136 and 63111, that added together give a palindrome (74247).

The spelling of 1113663111 in words is "one billion, one hundred thirteen million, six hundred sixty-three thousand, one hundred eleven".