11516427 has 24 divisors (see below), whose sum is σ = 18031104. Its totient is φ = 7041024.

The previous prime is 11516419. The next prime is 11516441. The reversal of 11516427 is 72461511.

It is a happy number.

11516427 is a `hidden beast` number, since 1 + 15 + 1 + 642 + 7 = 666.

It is not a de Polignac number, because 11516427 - 2³ = 11516419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11516427.

It is not an unprimeable number, because it can be changed into a prime (11516227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29878 + ... + 30260.

It is an arithmetic number, because the mean of its divisors is an integer number (751296).

Almost surely, 2^11516427 is an apocalyptic number.

11516427 is a deficient number, since it is larger than the sum of its proper divisors (6514677).

11516427 is a wasteful number, since it uses less digits than its factorization.

11516427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 11516427 is about 3393.5861562660. The cubic root of 11516427 is about 225.8252950606.

Adding to 11516427 its reverse (72461511), we get a palindrome (83977938).

The spelling of 11516427 in words is "eleven million, five hundred sixteen thousand, four hundred twenty-seven".