11550496889 has 4 divisors (see below), whose sum is σ = 11550849024. Its totient is φ = 11550144756.

The previous prime is 11550496873. The next prime is 11550496897. The reversal of 11550496889 is 98869405511.

11550496889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 98869405511 = 17 ⋅5815847383.

It is a cyclic number.

It is not a de Polignac number, because 11550496889 - 2⁴ = 11550496873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11550496829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121157 + ... + 194370.

It is an arithmetic number, because the mean of its divisors is an integer number (2887712256).

Almost surely, 2^11550496889 is an apocalyptic number.

It is an amenable number.

11550496889 is a deficient number, since it is larger than the sum of its proper divisors (352135).

11550496889 is an equidigital number, since it uses as much as digits as its factorization.

11550496889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352134.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 11550496889 in words is "eleven billion, five hundred fifty million, four hundred ninety-six thousand, eight hundred eighty-nine".