11019994 has 4 divisors (see below), whose sum is σ = 16529994. Its totient is φ = 5509996.

The previous prime is 11019989. The next prime is 11020001. The reversal of 11019994 is 49991011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49991011 = 7 ⋅7141573.

It can be written as a sum of positive squares in only one way, i.e., 10400625 + 619369 = 3225^2 + 787^2 .

It is an unprimeable number.

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, 2754997 + ... + 2755000.

Almost surely, 2^11019994 is an apocalyptic number.

11019994 is a deficient number, since it is larger than the sum of its proper divisors (5510000).

11019994 is an equidigital number, since it uses as much as digits as its factorization.

11019994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509999.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 11019994 is about 3319.6376308266. The cubic root of 11019994 is about 222.5326737355.

The spelling of 11019994 in words is "eleven million, nineteen thousand, nine hundred ninety-four".