11143533113 has 2 divisors, whose sum is σ = 11143533114. Its totient is φ = 11143533112.

The previous prime is 11143533109. The next prime is 11143533157. The reversal of 11143533113 is 31133534111.

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., 7422167104 + 3721366009 = 86152^2 + 61003^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143533113 - 2² = 11143533109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11143533413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571766556 + 5571766557.

It is an arithmetic number, because the mean of its divisors is an integer number (5571766557).

Almost surely, 2^11143533113 is an apocalyptic number.

It is an amenable number.

11143533113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143533113 is an equidigital number, since it uses as much as digits as its factorization.

11143533113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The spelling of 11143533113 in words is "eleven billion, one hundred forty-three million, five hundred thirty-three thousand, one hundred thirteen".