11533207180 has 24 divisors (see below), whose sum is σ = 26421529680. Its totient is φ = 4193893440.

The previous prime is 11533207177. The next prime is 11533207187. The reversal of 11533207180 is 8170233511.

It is not an unprimeable number, because it can be changed into a prime (11533207187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26211615 + ... + 26212054.

It is an arithmetic number, because the mean of its divisors is an integer number (1100897070).

Almost surely, 2^11533207180 is an apocalyptic number.

11533207180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11533207180 is an abundant number, since it is smaller than the sum of its proper divisors (14888322500).

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

11533207180 is a wasteful number, since it uses less digits than its factorization.

11533207180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52423689 (or 52423687 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 11533207180 in words is "eleven billion, five hundred thirty-three million, two hundred seven thousand, one hundred eighty".