11144020985 has 8 divisors (see below), whose sum is σ = 13382050176. Its totient is φ = 8909066800.

The previous prime is 11144020981. The next prime is 11144021039. The reversal of 11144020985 is 58902044111.

11144020985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11144020985 - 2² = 11144020981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144020981) 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 7 ways as a sum of consecutive naturals, for example, 760769 + ... + 775278.

It is an arithmetic number, because the mean of its divisors is an integer number (1672756272).

Almost surely, 2^11144020985 is an apocalyptic number.

It is an amenable number.

11144020985 is a deficient number, since it is larger than the sum of its proper divisors (2238029191).

11144020985 is a wasteful number, since it uses less digits than its factorization.

11144020985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537503.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 11144020985 in words is "eleven billion, one hundred forty-four million, twenty thousand, nine hundred eighty-five".