1113111133 has 16 divisors (see below), whose sum is σ = 1146427776. Its totient is φ = 1080414720.

The previous prime is 1113111113. The next prime is 1113111187. The reversal of 1113111133 is 3311113111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113111133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113111113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763728 + ... + 1764358.

It is an arithmetic number, because the mean of its divisors is an integer number (71651736).

Almost surely, 2^1113111133 is an apocalyptic number.

It is an amenable number.

1113111133 is a deficient number, since it is larger than the sum of its proper divisors (33316643).

1113111133 is a wasteful number, since it uses less digits than its factorization.

1113111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its digits is 27, while the sum is 16.

The square root of 1113111133 is about 33363.3201735079. The cubic root of 1113111133 is about 1036.3652494502.

Adding to 1113111133 its reverse (3311113111), we get a palindrome (4424224244).

The spelling of 1113111133 in words is "one billion, one hundred thirteen million, one hundred eleven thousand, one hundred thirty-three".