11123778248 has 16 divisors (see below), whose sum is σ = 22753182960. Its totient is φ = 5056262800.

The previous prime is 11123778233. The next prime is 11123778293. The reversal of 11123778248 is 84287732111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 11123778199 and 11123778208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63203198 + ... + 63203373.

It is an arithmetic number, because the mean of its divisors is an integer number (1422073935).

Almost surely, 2^11123778248 is an apocalyptic number.

It is an amenable number.

11123778248 is an abundant number, since it is smaller than the sum of its proper divisors (11629404712).

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

11123778248 is a wasteful number, since it uses less digits than its factorization.

11123778248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126406588 (or 126406584 counting only the distinct ones).

The product of its digits is 150528, while the sum is 44.

The spelling of 11123778248 in words is "eleven billion, one hundred twenty-three million, seven hundred seventy-eight thousand, two hundred forty-eight".