11808151 has 2 divisors, whose sum is σ = 11808152. Its totient is φ = 11808150.

The previous prime is 11808113. The next prime is 11808157. The reversal of 11808151 is 15180811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11808151 - 2¹⁹ = 11283863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11808157) 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, 5904075 + 5904076.

It is an arithmetic number, because the mean of its divisors is an integer number (5904076).

Almost surely, 2^11808151 is an apocalyptic number.

11808151 is a deficient number, since it is larger than the sum of its proper divisors (1).

11808151 is an equidigital number, since it uses as much as digits as its factorization.

11808151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 25.

The square root of 11808151 is about 3436.2990265691. The cubic root of 11808151 is about 227.7162199881.

Adding to 11808151 its reverse (15180811), we get a palindrome (26988962).

The spelling of 11808151 in words is "eleven million, eight hundred eight thousand, one hundred fifty-one".