11011331133 has 32 divisors (see below), whose sum is σ = 17821814400. Its totient is φ = 6663888000.

The previous prime is 11011331131. The next prime is 11011331143. The reversal of 11011331133 is 33113311011.

It is not a de Polignac number, because 11011331133 - 2¹ = 11011331131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011331131) 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, 181753 + ... + 234641.

It is an arithmetic number, because the mean of its divisors is an integer number (556931700).

Almost surely, 2^11011331133 is an apocalyptic number.

It is an amenable number.

11011331133 is a deficient number, since it is larger than the sum of its proper divisors (6810483267).

11011331133 is a wasteful number, since it uses less digits than its factorization.

11011331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53610 (or 53604 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 11011331133 its reverse (33113311011), we get a palindrome (44124642144).

It can be divided in two parts, 110113 and 31133, that added together give a triangular number (141246 = T₅₃₁).

The spelling of 11011331133 in words is "eleven billion, eleven million, three hundred thirty-one thousand, one hundred thirty-three".