11180131 has 2 divisors, whose sum is σ = 11180132. Its totient is φ = 11180130.

The previous prime is 11180111. The next prime is 11180173. The reversal of 11180131 is 13108111.

It is a weak prime.

It is an emirp because it is prime and its reverse (13108111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11180131 - 2²¹ = 9082979 is a prime.

It is a super-2 number, since 2×11180131² = 249990658354322, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (11180111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5590065 + 5590066.

It is an arithmetic number, because the mean of its divisors is an integer number (5590066).

Almost surely, 2^11180131 is an apocalyptic number.

11180131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11180131 is an equidigital number, since it uses as much as digits as its factorization.

11180131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

The square root of 11180131 is about 3343.6702887695. The cubic root of 11180131 is about 223.6054051580.

Adding to 11180131 its reverse (13108111), we get a palindrome (24288242).

It can be divided in two parts, 11180 and 131, that added together give a palindrome (11311).

The spelling of 11180131 in words is "eleven million, one hundred eighty thousand, one hundred thirty-one".