11131350133 has 4 divisors (see below), whose sum is σ = 11140497900. Its totient is φ = 11122202368.

The previous prime is 11131350107. The next prime is 11131350163. The reversal of 11131350133 is 33105313111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2695478724 + 8435871409 = 51918^2 + 91847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131350133 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 (11131350103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4572058 + ... + 4574491.

It is an arithmetic number, because the mean of its divisors is an integer number (2785124475).

Almost surely, 2^11131350133 is an apocalyptic number.

It is an amenable number.

11131350133 is a deficient number, since it is larger than the sum of its proper divisors (9147767).

11131350133 is an equidigital number, since it uses as much as digits as its factorization.

11131350133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147766.

The product of its (nonzero) digits is 405, while the sum is 22.

Adding to 11131350133 its reverse (33105313111), we get a palindrome (44236663244).

The spelling of 11131350133 in words is "eleven billion, one hundred thirty-one million, three hundred fifty thousand, one hundred thirty-three".