11180539 has 4 divisors (see below), whose sum is σ = 11187360. Its totient is φ = 11173720.

The previous prime is 11180503. The next prime is 11180557. The reversal of 11180539 is 93508111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93508111 = 941 ⋅99371.

It is a cyclic number.

It is not a de Polignac number, because 11180539 - 2¹¹ = 11178491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11180639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702 + ... + 4780.

It is an arithmetic number, because the mean of its divisors is an integer number (2796840).

Almost surely, 2^11180539 is an apocalyptic number.

11180539 is a deficient number, since it is larger than the sum of its proper divisors (6821).

11180539 is an equidigital number, since it uses as much as digits as its factorization.

11180539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11180539 is about 3343.7312990131. The cubic root of 11180539 is about 223.6081251588.

The spelling of 11180539 in words is "eleven million, one hundred eighty thousand, five hundred thirty-nine".