11328185880 has 128 divisors (see below), whose sum is σ = 41193446400. Its totient is φ = 2746224000.

The previous prime is 11328185879. The next prime is 11328185887. The reversal of 11328185880 is 8858182311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328185887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464896 + ... + 488655.

It is an arithmetic number, because the mean of its divisors is an integer number (321823800).

Almost surely, 2^11328185880 is an apocalyptic number.

11328185880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11328185880 is an abundant number, since it is smaller than the sum of its proper divisors (29865260520).

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

11328185880 is a wasteful number, since it uses less digits than its factorization.

11328185880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953582 (or 953572 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 11328185880 in words is "eleven billion, three hundred twenty-eight million, one hundred eighty-five thousand, eight hundred eighty".