11180389272 has 64 divisors (see below), whose sum is σ = 30114749280. Its totient is φ = 3438554112.

The previous prime is 11180389249. The next prime is 11180389291. The reversal of 11180389272 is 27298308111.

11180389272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11180389272² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809658 + ... + 823350.

Almost surely, 2^11180389272 is an apocalyptic number.

11180389272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11180389272 is an abundant number, since it is smaller than the sum of its proper divisors (18934360008).

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

11180389272 is a wasteful number, since it uses less digits than its factorization.

11180389272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332 (or 16328 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 11180389272 in words is "eleven billion, one hundred eighty million, three hundred eighty-nine thousand, two hundred seventy-two".