11018971 has 2 divisors, whose sum is σ = 11018972. Its totient is φ = 11018970.

The previous prime is 11018951. The next prime is 11018983. The reversal of 11018971 is 17981011.

11018971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11018971 - 2⁹ = 11018459 is a prime.

It is equal to p₇₂₇₆₆₀ and since 11018971 and 727660 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11018951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509485 + 5509486.

It is an arithmetic number, because the mean of its divisors is an integer number (5509486).

Almost surely, 2^11018971 is an apocalyptic number.

11018971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11018971 is an equidigital number, since it uses as much as digits as its factorization.

11018971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 11018971 is about 3319.4835441677. The cubic root of 11018971 is about 222.5257875258.

Adding to 11018971 its reverse (17981011), we get a palindrome (28999982).

The spelling of 11018971 in words is "eleven million, eighteen thousand, nine hundred seventy-one".