11289989633 has 8 divisors (see below), whose sum is σ = 12245923200. Its totient is φ = 10346552208.

The previous prime is 11289989609. The next prime is 11289989647. The reversal of 11289989633 is 33698998211.

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

It is a cyclic number.

It is not a de Polignac number, because 11289989633 - 2¹² = 11289985537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11289989533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122153 + ... + 3125766.

It is an arithmetic number, because the mean of its divisors is an integer number (1530740400).

Almost surely, 2^11289989633 is an apocalyptic number.

11289989633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11289989633 is a deficient number, since it is larger than the sum of its proper divisors (955933567).

11289989633 is a wasteful number, since it uses less digits than its factorization.

11289989633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6248071.

The product of its digits is 5038848, while the sum is 59.

The spelling of 11289989633 in words is "eleven billion, two hundred eighty-nine million, nine hundred eighty-nine thousand, six hundred thirty-three".