11001427 has 2 divisors, whose sum is σ = 11001428. Its totient is φ = 11001426.

The previous prime is 11001413. The next prime is 11001439. The reversal of 11001427 is 72410011.

It is a strong prime.

It is an emirp because it is prime and its reverse (72410011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11001427 - 2¹¹ = 10999379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11001427.

It is not a weakly prime, because it can be changed into another prime (11001827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500713 + 5500714.

It is an arithmetic number, because the mean of its divisors is an integer number (5500714).

Almost surely, 2^11001427 is an apocalyptic number.

11001427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001427 is an equidigital number, since it uses as much as digits as its factorization.

11001427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 11001427 is about 3316.8399117232. The cubic root of 11001427 is about 222.4076256702.

Adding to 11001427 its reverse (72410011), we get a palindrome (83411438).

The spelling of 11001427 in words is "eleven million, one thousand, four hundred twenty-seven".