1153441180 has 48 divisors (see below), whose sum is σ = 2537773056. Its totient is φ = 439813440.

The previous prime is 1153441171. The next prime is 1153441187. The reversal of 1153441180 is 811443511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153441187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27657 + ... + 55423.

It is an arithmetic number, because the mean of its divisors is an integer number (52870272).

Almost surely, 2^1153441180 is an apocalyptic number.

1153441180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153441180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268886528).

1153441180 is an abundant number, since it is smaller than the sum of its proper divisors (1384331876).

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

1153441180 is a wasteful number, since it uses less digits than its factorization.

1153441180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27874 (or 27872 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1153441180 is about 33962.3494475868. The cubic root of 1153441180 is about 1048.7335236735.

Adding to 1153441180 its reverse (811443511), we get a palindrome (1964884691).

The spelling of 1153441180 in words is "one billion, one hundred fifty-three million, four hundred forty-one thousand, one hundred eighty".