279999020011 has 8 divisors (see below), whose sum is σ = 282783272960. Its totient is φ = 277223822568.

The previous prime is 279999019987. The next prime is 279999020033. The reversal of 279999020011 is 110020999972.

It is a happy number.

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 279999020011 - 2²⁵ = 279965465579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279999020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201721 + ... + 2325418.

It is an arithmetic number, because the mean of its divisors is an integer number (35347909120).

Almost surely, 2^279999020011 is an apocalyptic number.

279999020011 is a deficient number, since it is larger than the sum of its proper divisors (2784252949).

279999020011 is a wasteful number, since it uses less digits than its factorization.

279999020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527753.

The product of its (nonzero) digits is 183708, while the sum is 49.

The spelling of 279999020011 in words is "two hundred seventy-nine billion, nine hundred ninety-nine million, twenty thousand, eleven".