11748511 has 2 divisors, whose sum is σ = 11748512. Its totient is φ = 11748510.

The previous prime is 11748487. The next prime is 11748521. The reversal of 11748511 is 11584711.

It is a strong prime.

It is an emirp because it is prime and its reverse (11584711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11748511 - 2¹⁹ = 11224223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11748511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11748521) 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 as a sum of consecutive naturals, namely, 5874255 + 5874256.

It is an arithmetic number, because the mean of its divisors is an integer number (5874256).

Almost surely, 2^11748511 is an apocalyptic number.

11748511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11748511 is an equidigital number, since it uses as much as digits as its factorization.

11748511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 28.

The square root of 11748511 is about 3427.6101003469. The cubic root of 11748511 is about 227.3321936076.

The spelling of 11748511 in words is "eleven million, seven hundred forty-eight thousand, five hundred eleven".