11001291928 has 48 divisors (see below), whose sum is σ = 23044931280. Its totient is φ = 4918584000.

The previous prime is 11001291893. The next prime is 11001291967. The reversal of 11001291928 is 82919210011.

11001291928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11001291893 and 11001291902.

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 11 ways as a sum of consecutive naturals, for example, 34108 + ... + 152203.

It is an arithmetic number, because the mean of its divisors is an integer number (480102735).

Almost surely, 2^11001291928 is an apocalyptic number.

It is an amenable number.

11001291928 is an abundant number, since it is smaller than the sum of its proper divisors (12043639352).

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

11001291928 is a wasteful number, since it uses less digits than its factorization.

11001291928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186400 (or 186385 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 11001291928 in words is "eleven billion, one million, two hundred ninety-one thousand, nine hundred twenty-eight".