11109493 has 2 divisors, whose sum is σ = 11109494. Its totient is φ = 11109492.

The previous prime is 11109491. The next prime is 11109499. The reversal of 11109493 is 39490111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8868484 + 2241009 = 2978^2 + 1497^2 .

It is a cyclic number.

It is not a de Polignac number, because 11109493 - 2¹ = 11109491 is a prime.

Together with 11109491, it forms a pair of twin primes.

It is equal to p₇₃₃₂₉₄ and since 11109493 and 733294 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11109491) 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, 5554746 + 5554747.

It is an arithmetic number, because the mean of its divisors is an integer number (5554747).

Almost surely, 2^11109493 is an apocalyptic number.

It is an amenable number.

11109493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11109493 is an equidigital number, since it uses as much as digits as its factorization.

11109493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11109493 is about 3333.0906078293. The cubic root of 11109493 is about 223.1334839992.

The spelling of 11109493 in words is "eleven million, one hundred nine thousand, four hundred ninety-three".