279823320011 has 2 divisors, whose sum is σ = 279823320012. Its totient is φ = 279823320010.

The previous prime is 279823319987. The next prime is 279823320017. The reversal of 279823320011 is 110023328972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 279823320011 - 2³⁴ = 262643450827 is a prime.

It is not a weakly prime, because it can be changed into another prime (279823320017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139911660005 + 139911660006.

It is an arithmetic number, because the mean of its divisors is an integer number (139911660006).

Almost surely, 2^279823320011 is an apocalyptic number.

279823320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

279823320011 is an equidigital number, since it uses as much as digits as its factorization.

279823320011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

Adding to 279823320011 its reverse (110023328972), we get a palindrome (389846648983).

The spelling of 279823320011 in words is "two hundred seventy-nine billion, eight hundred twenty-three million, three hundred twenty thousand, eleven".