11129318648 has 24 divisors (see below), whose sum is σ = 24274407600. Its totient is φ = 4769707824.

The previous prime is 11129318639. The next prime is 11129318653. The reversal of 11129318648 is 84681392111.

It is a junction number, because it is equal to n+sod(n) for n = 11129318599 and 11129318608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14195168 + ... + 14195951.

It is an arithmetic number, because the mean of its divisors is an integer number (1011433650).

Almost surely, 2^11129318648 is an apocalyptic number.

It is an amenable number.

11129318648 is an abundant number, since it is smaller than the sum of its proper divisors (13145088952).

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

11129318648 is a wasteful number, since it uses less digits than its factorization.

11129318648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28391139 (or 28391128 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The spelling of 11129318648 in words is "eleven billion, one hundred twenty-nine million, three hundred eighteen thousand, six hundred forty-eight".