320120040011 has 4 divisors (see below), whose sum is σ = 320637197400. Its totient is φ = 319602882624.

The previous prime is 320120039963. The next prime is 320120040029. The reversal of 320120040011 is 110040021023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110040021023 = 13513 ⋅8143271.

It is a cyclic number.

It is not a de Polignac number, because 320120040011 - 2³⁰ = 319046298187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320120040061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258577766 + ... + 258579003.

It is an arithmetic number, because the mean of its divisors is an integer number (80159299350).

Almost surely, 2^320120040011 is an apocalyptic number.

320120040011 is a deficient number, since it is larger than the sum of its proper divisors (517157389).

320120040011 is an equidigital number, since it uses as much as digits as its factorization.

320120040011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517157388.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 320120040011 its reverse (110040021023), we get a palindrome (430160061034).

The spelling of 320120040011 in words is "three hundred twenty billion, one hundred twenty million, forty thousand, eleven".