11112031133 has 16 divisors (see below), whose sum is σ = 12808777344. Its totient is φ = 9442967040.

The previous prime is 11112031111. The next prime is 11112031159. The reversal of 11112031133 is 33113021111.

It is a cyclic number.

It is not a de Polignac number, because 11112031133 - 2²⁰ = 11110982557 is a prime.

It is a super-3 number, since 3×11112031133³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112031433) 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, 368441 + ... + 397457.

It is an arithmetic number, because the mean of its divisors is an integer number (800548584).

Almost surely, 2^11112031133 is an apocalyptic number.

It is an amenable number.

11112031133 is a deficient number, since it is larger than the sum of its proper divisors (1696746211).

11112031133 is a wasteful number, since it uses less digits than its factorization.

11112031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29492.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11112031133 its reverse (33113021111), we get a palindrome (44225052244).

The spelling of 11112031133 in words is "eleven billion, one hundred twelve million, thirty-one thousand, one hundred thirty-three".