11489784250 has 64 divisors (see below), whose sum is σ = 24631776000. Its totient is φ = 3931310400.

The previous prime is 11489784221. The next prime is 11489784269. The reversal of 11489784250 is 5248798411.

11489784250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11489784250² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11489784194 and 11489784203.

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 31 ways as a sum of consecutive naturals, for example, 884301 + ... + 897199.

It is an arithmetic number, because the mean of its divisors is an integer number (384871500).

Almost surely, 2^11489784250 is an apocalyptic number.

11489784250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11489784250 is an abundant number, since it is smaller than the sum of its proper divisors (13141991750).

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

11489784250 is a wasteful number, since it uses less digits than its factorization.

11489784250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13432 (or 13422 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 11489784250 in words is "eleven billion, four hundred eighty-nine million, seven hundred eighty-four thousand, two hundred fifty".