11169971 has 2 divisors, whose sum is σ = 11169972. Its totient is φ = 11169970.

The previous prime is 11169953. The next prime is 11169997. The reversal of 11169971 is 17996111.

11169971 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11169971 - 2¹⁰ = 11168947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11169911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5584985 + 5584986.

It is an arithmetic number, because the mean of its divisors is an integer number (5584986).

Almost surely, 2^11169971 is an apocalyptic number.

11169971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11169971 is an equidigital number, since it uses as much as digits as its factorization.

11169971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 35.

The square root of 11169971 is about 3342.1506548927. The cubic root of 11169971 is about 223.5376504527.

It can be divided in two parts, 11 and 169971, that multiplied together give a palindrome (1869681).

The spelling of 11169971 in words is "eleven million, one hundred sixty-nine thousand, nine hundred seventy-one".