11009979 has 32 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 7006176.

The previous prime is 11009959. The next prime is 11009983. The reversal of 11009979 is 97990011.

It is not a de Polignac number, because 11009979 - 2²³ = 2621371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102844 + ... + 102950.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^11009979 is an apocalyptic number.

11009979 is a deficient number, since it is larger than the sum of its proper divisors (6062661).

11009979 is a wasteful number, since it uses less digits than its factorization.

11009979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 36.

The square root of 11009979 is about 3318.1288401748. The cubic root of 11009979 is about 222.4652405407.

The spelling of 11009979 in words is "eleven million, nine thousand, nine hundred seventy-nine".