11353838989 has 4 divisors (see below), whose sum is σ = 11443239424. Its totient is φ = 11264438556.

The previous prime is 11353838983. The next prime is 11353839017. The reversal of 11353838989 is 98983835311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98983835311 = 107 ⋅925082573.

It is a cyclic number.

It is not a de Polignac number, because 11353838989 - 2⁹ = 11353838477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353838983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44700027 + ... + 44700280.

It is an arithmetic number, because the mean of its divisors is an integer number (2860809856).

Almost surely, 2^11353838989 is an apocalyptic number.

It is an amenable number.

11353838989 is a deficient number, since it is larger than the sum of its proper divisors (89400435).

11353838989 is an equidigital number, since it uses as much as digits as its factorization.

11353838989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89400434.

The product of its digits is 5598720, while the sum is 58.

The spelling of 11353838989 in words is "eleven billion, three hundred fifty-three million, eight hundred thirty-eight thousand, nine hundred eighty-nine".