1135532180 has 12 divisors (see below), whose sum is σ = 2384617620. Its totient is φ = 454212864.

The previous prime is 1135532161. The next prime is 1135532191. The reversal of 1135532180 is 812355311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 822312976 + 313219204 = 28676^2 + 17698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28388285 + ... + 28388324.

It is an arithmetic number, because the mean of its divisors is an integer number (198718135).

Almost surely, 2^1135532180 is an apocalyptic number.

1135532180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135532180 is an abundant number, since it is smaller than the sum of its proper divisors (1249085440).

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

1135532180 is a wasteful number, since it uses less digits than its factorization.

1135532180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56776618 (or 56776616 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1135532180 is about 33697.6583756201. The cubic root of 1135532180 is about 1043.2774380555.

Adding to 1135532180 its reverse (812355311), we get a palindrome (1947887491).

The spelling of 1135532180 in words is "one billion, one hundred thirty-five million, five hundred thirty-two thousand, one hundred eighty".