11248521988 has 48 divisors (see below), whose sum is σ = 23471175168. Its totient is φ = 4656960000.

The previous prime is 11248521901. The next prime is 11248521997. The reversal of 11248521988 is 88912584211.

11248521988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 219363 + ... + 265738.

It is an arithmetic number, because the mean of its divisors is an integer number (488982816).

Almost surely, 2^11248521988 is an apocalyptic number.

It is an amenable number.

11248521988 is an abundant number, since it is smaller than the sum of its proper divisors (12222653180).

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

11248521988 is a wasteful number, since it uses less digits than its factorization.

11248521988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485164 (or 485162 counting only the distinct ones).

The product of its digits is 368640, while the sum is 49.

The spelling of 11248521988 in words is "eleven billion, two hundred forty-eight million, five hundred twenty-one thousand, nine hundred eighty-eight".