11078665920 has 896 divisors, whose sum is σ = 48689971200. Its totient is φ = 2314137600.

The previous prime is 11078665909. The next prime is 11078665937. The reversal of 11078665920 is 2956687011.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35622565 + ... + 35622875.

Almost surely, 2^11078665920 is an apocalyptic number.

11078665920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11078665920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24344985600).

11078665920 is an abundant number, since it is smaller than the sum of its proper divisors (37611305280).

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

11078665920 is a wasteful number, since it uses less digits than its factorization.

11078665920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 11078665920 in words is "eleven billion, seventy-eight million, six hundred sixty-five thousand, nine hundred twenty".