11141560 has 32 divisors (see below), whose sum is σ = 25498800. Its totient is φ = 4380160.

The previous prime is 11141549. The next prime is 11141573. The reversal of 11141560 is 6514111.

11141560 is a nontrivial binomial coefficient, being equal to C(4721, 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 4720.

Almost surely, 2^11141560 is an apocalyptic number.

11141560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11141560 is the 4720-th triangular number.

11141560 is the 1574-th centered nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11141560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12749400).

11141560 is an abundant number, since it is smaller than the sum of its proper divisors (14357240).

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

11141560 is a wasteful number, since it uses less digits than its factorization.

11141560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11141560 is about 3337.8975418667. The cubic root of 11141560 is about 223.3479656758.

Adding to 11141560 its reverse (6514111), we get a palindrome (17655671).

The spelling of 11141560 in words is "eleven million, one hundred forty-one thousand, five hundred sixty".