11285111289 has 8 divisors (see below), whose sum is σ = 15155066080. Its totient is φ = 7469282016.

The previous prime is 11285111287. The next prime is 11285111293. The reversal of 11285111289 is 98211158211.

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

It is not a de Polignac number, because 11285111289 - 2¹ = 11285111287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11285111287) 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, 13530892 + ... + 13531725.

It is an arithmetic number, because the mean of its divisors is an integer number (1894383260).

Almost surely, 2^11285111289 is an apocalyptic number.

It is an amenable number.

11285111289 is a deficient number, since it is larger than the sum of its proper divisors (3869954791).

11285111289 is a wasteful number, since it uses less digits than its factorization.

11285111289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27062759.

The product of its digits is 11520, while the sum is 39.

The spelling of 11285111289 in words is "eleven billion, two hundred eighty-five million, one hundred eleven thousand, two hundred eighty-nine".