11142032180 has 18 divisors (see below), whose sum is σ = 23399258946. Its totient is φ = 4456624048.

The previous prime is 11142032173. The next prime is 11142032191. The reversal of 11142032180 is 8123024111.

11142032180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8913625744 + 2228406436 = 94412^2 + 47206^2 .

It is a super-2 number, since 2×11142032180² (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 5 ways as a sum of consecutive naturals, for example, 460259 + ... + 483861.

Almost surely, 2^11142032180 is an apocalyptic number.

11142032180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142032180 is an abundant number, since it is smaller than the sum of its proper divisors (12257226766).

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

11142032180 is an frugal number, since it uses more digits than its factorization.

11142032180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47215 (or 23610 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 11142032180 its reverse (8123024111), we get a palindrome (19265056291).

The spelling of 11142032180 in words is "eleven billion, one hundred forty-two million, thirty-two thousand, one hundred eighty".