11019979 has 2 divisors, whose sum is σ = 11019980. Its totient is φ = 11019978.

The previous prime is 11019937. The next prime is 11019989. The reversal of 11019979 is 97991011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11019979 - 2¹³ = 11011787 is a prime.

It is not a weakly prime, because it can be changed into another prime (11019929) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509989 + 5509990.

It is an arithmetic number, because the mean of its divisors is an integer number (5509990).

Almost surely, 2^11019979 is an apocalyptic number.

11019979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11019979 is an equidigital number, since it uses as much as digits as its factorization.

11019979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 37.

The square root of 11019979 is about 3319.6353715431. The cubic root of 11019979 is about 222.5325727678.

The spelling of 11019979 in words is "eleven million, nineteen thousand, nine hundred seventy-nine".