11188930 has 8 divisors (see below), whose sum is σ = 20140092. Its totient is φ = 4475568.

The previous prime is 11188913. The next prime is 11188939. The reversal of 11188930 is 3988111.

11188930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 53361 = 3337^2 + 231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11188892 and 11188901.

It is not an unprimeable number, because it can be changed into a prime (11188939) 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, 559437 + ... + 559456.

Almost surely, 2^11188930 is an apocalyptic number.

11188930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11188930 is a deficient number, since it is larger than the sum of its proper divisors (8951162).

11188930 is a wasteful number, since it uses less digits than its factorization.

11188930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118900.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 11188930 is about 3344.9857996709. The cubic root of 11188930 is about 223.6640505063.

The spelling of 11188930 in words is "eleven million, one hundred eighty-eight thousand, nine hundred thirty".