11169997 has 2 divisors, whose sum is σ = 11169998. Its totient is φ = 11169996.

The previous prime is 11169971. The next prime is 11170001. The reversal of 11169997 is 79996111.

It is a happy number.

11169997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8590761 + 2579236 = 2931^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 11169997 - 2⁷ = 11169869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11169947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5584998 + 5584999.

It is an arithmetic number, because the mean of its divisors is an integer number (5584999).

Almost surely, 2^11169997 is an apocalyptic number.

It is an amenable number.

11169997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11169997 is an equidigital number, since it uses as much as digits as its factorization.

11169997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 43.

The square root of 11169997 is about 3342.1545446014. The cubic root of 11169997 is about 223.5378238931.

The spelling of 11169997 in words is "eleven million, one hundred sixty-nine thousand, nine hundred ninety-seven".