11178919080 has 512 divisors, whose sum is σ = 44789760000. Its totient is φ = 2424812544.

The previous prime is 11178919051. The next prime is 11178919139. The reversal of 11178919080 is 8091987111.

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, 41557186 + ... + 41557454.

It is an arithmetic number, because the mean of its divisors is an integer number (87480000).

Almost surely, 2^11178919080 is an apocalyptic number.

11178919080 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 11178919080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22394880000).

11178919080 is an abundant number, since it is smaller than the sum of its proper divisors (33610840920).

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

11178919080 is a wasteful number, since it uses less digits than its factorization.

11178919080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 45.

The spelling of 11178919080 in words is "eleven billion, one hundred seventy-eight million, nine hundred nineteen thousand, eighty".