320400241011111 has 16 divisors (see below), whose sum is σ = 429593101027200. Its totient is φ = 212403805200288.

The previous prime is 320400241011017. The next prime is 320400241011133. The reversal of 320400241011111 is 111110142004023.

It is not a de Polignac number, because 320400241011111 - 2¹⁴ = 320400240994727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320400241011161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33339585 + ... + 41860821.

It is an arithmetic number, because the mean of its divisors is an integer number (26849568814200).

Almost surely, 2^{320400241011111} is an apocalyptic number.

320400241011111 is a deficient number, since it is larger than the sum of its proper divisors (109192860016089).

320400241011111 is a wasteful number, since it uses less digits than its factorization.

320400241011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591438.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 320400241011111 its reverse (111110142004023), we get a palindrome (431510383015134).

The spelling of 320400241011111 in words is "three hundred twenty trillion, four hundred billion, two hundred forty-one million, eleven thousand, one hundred eleven".