11001219979 has 8 divisors (see below), whose sum is σ = 11652258240. Its totient is φ = 10350615936.

The previous prime is 11001219899. The next prime is 11001219989. The reversal of 11001219979 is 97991210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11001219979 - 2¹⁷ = 11001088907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001219989) 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 7 ways as a sum of consecutive naturals, for example, 55644 + ... + 158425.

It is an arithmetic number, because the mean of its divisors is an integer number (1456532280).

Almost surely, 2^11001219979 is an apocalyptic number.

11001219979 is a deficient number, since it is larger than the sum of its proper divisors (651038261).

11001219979 is a wasteful number, since it uses less digits than its factorization.

11001219979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217109.

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 11001219979 in words is "eleven billion, one million, two hundred nineteen thousand, nine hundred seventy-nine".