11001031133 has 2 divisors, whose sum is σ = 11001031134. Its totient is φ = 11001031132.

The previous prime is 11001031121. The next prime is 11001031157. The reversal of 11001031133 is 33113010011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5556509764 + 5444521369 = 74542^2 + 73787^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001031133 - 2⁸ = 11001030877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001031333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500515566 + 5500515567.

It is an arithmetic number, because the mean of its divisors is an integer number (5500515567).

Almost surely, 2^11001031133 is an apocalyptic number.

It is an amenable number.

11001031133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001031133 is an equidigital number, since it uses as much as digits as its factorization.

11001031133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 11001031133 its reverse (33113010011), we get a palindrome (44114041144).

The spelling of 11001031133 in words is "eleven billion, one million, thirty-one thousand, one hundred thirty-three".