11285289428 has 48 divisors (see below), whose sum is σ = 22999939200. Its totient is φ = 4744882560.

The previous prime is 11285289391. The next prime is 11285289443. The reversal of 11285289428 is 82498258211.

11285289428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 834158 + ... + 847578.

It is an arithmetic number, because the mean of its divisors is an integer number (479165400).

Almost surely, 2^11285289428 is an apocalyptic number.

It is an amenable number.

11285289428 is an abundant number, since it is smaller than the sum of its proper divisors (11714649772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11285289428 is a wasteful number, since it uses less digits than its factorization.

11285289428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000 (or 13998 counting only the distinct ones).

The product of its digits is 737280, while the sum is 50.

The spelling of 11285289428 in words is "eleven billion, two hundred eighty-five million, two hundred eighty-nine thousand, four hundred twenty-eight".