11180943 has 8 divisors (see below), whose sum is σ = 16564400. Its totient is φ = 7453944.

The previous prime is 11180929. The next prime is 11180947. The reversal of 11180943 is 34908111.

It is not a de Polignac number, because 11180943 - 2⁴ = 11180927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 414109 = 11180943 / (1 + 1 + 1 + 8 + 0 + 9 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11180947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207028 + ... + 207081.

It is an arithmetic number, because the mean of its divisors is an integer number (2070550).

Almost surely, 2^11180943 is an apocalyptic number.

11180943 is a deficient number, since it is larger than the sum of its proper divisors (5383457).

11180943 is an equidigital number, since it uses as much as digits as its factorization.

11180943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414118 (or 414112 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 11180943 is about 3343.7917100202. The cubic root of 11180943 is about 223.6108184277.

The spelling of 11180943 in words is "eleven million, one hundred eighty thousand, nine hundred forty-three".