11233355689 has 4 divisors (see below), whose sum is σ = 11315351124. Its totient is φ = 11151360256.

The previous prime is 11233355597. The next prime is 11233355699. The reversal of 11233355689 is 98655333211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98655333211 = 51563 ⋅1913297.

It can be written as a sum of positive squares in 2 ways, for example, as 3059749225 + 8173606464 = 55315^2 + 90408^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233355689 - 2¹³ = 11233347497 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 (11233355699) 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, 40997512 + ... + 40997785.

It is an arithmetic number, because the mean of its divisors is an integer number (2828837781).

Almost surely, 2^11233355689 is an apocalyptic number.

It is an amenable number.

11233355689 is a deficient number, since it is larger than the sum of its proper divisors (81995435).

11233355689 is an equidigital number, since it uses as much as digits as its factorization.

11233355689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81995434.

The product of its digits is 583200, while the sum is 46.

The spelling of 11233355689 in words is "eleven billion, two hundred thirty-three million, three hundred fifty-five thousand, six hundred eighty-nine".