11188130 has 16 divisors (see below), whose sum is σ = 20318904. Its totient is φ = 4435200.

The previous prime is 11188103. The next prime is 11188139. The reversal of 11188130 is 3188111.

It can be written as a sum of positive squares in 4 ways, for example, as 8637721 + 2550409 = 2939^2 + 1597^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11188096 and 11188105.

It is not an unprimeable number, because it can be changed into a prime (11188139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821 + ... + 6080.

Almost surely, 2^11188130 is an apocalyptic number.

11188130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11188130 is a deficient number, since it is larger than the sum of its proper divisors (9130774).

11188130 is a wasteful number, since it uses less digits than its factorization.

11188130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021.

The product of its (nonzero) digits is 192, while the sum is 23.

The square root of 11188130 is about 3344.8662155608. The cubic root of 11188130 is about 223.6587197760.

The spelling of 11188130 in words is "eleven million, one hundred eighty-eight thousand, one hundred thirty".