11143209593 has 2 divisors, whose sum is σ = 11143209594. Its totient is φ = 11143209592.

The previous prime is 11143209577. The next prime is 11143209607. The reversal of 11143209593 is 39590234111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10139080249 + 1004129344 = 100693^2 + 31688^2 .

It is a cyclic number.

It is not a de Polignac number, because 11143209593 - 2⁴ = 11143209577 is a prime.

It is a super-2 number, since 2×11143209593² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11143203593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571604796 + 5571604797.

It is an arithmetic number, because the mean of its divisors is an integer number (5571604797).

Almost surely, 2^11143209593 is an apocalyptic number.

It is an amenable number.

11143209593 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143209593 is an equidigital number, since it uses as much as digits as its factorization.

11143209593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 11143209593 in words is "eleven billion, one hundred forty-three million, two hundred nine thousand, five hundred ninety-three".