11335578889 has 4 divisors (see below), whose sum is σ = 11641945924. Its totient is φ = 11029211856.

The previous prime is 11335578883. The next prime is 11335578941. The reversal of 11335578889 is 98887553311.

It is a happy number.

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 8398806025 + 2936772864 = 91645^2 + 54192^2 .

It is a cyclic number.

It is not a de Polignac number, because 11335578889 - 2²⁵ = 11302024457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11335578883) 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, 153183462 + ... + 153183535.

It is an arithmetic number, because the mean of its divisors is an integer number (2910486481).

Almost surely, 2^11335578889 is an apocalyptic number.

It is an amenable number.

11335578889 is a deficient number, since it is larger than the sum of its proper divisors (306367035).

11335578889 is an equidigital number, since it uses as much as digits as its factorization.

11335578889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306367034.

The product of its digits is 7257600, while the sum is 58.

The spelling of 11335578889 in words is "eleven billion, three hundred thirty-five million, five hundred seventy-eight thousand, eight hundred eighty-nine".