120440511205343 has 16 divisors (see below), whose sum is σ = 139703852636160. Its totient is φ = 101691627386976.

The previous prime is 120440511205309. The next prime is 120440511205367. The reversal of 120440511205343 is 343502115044021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120440511205343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120440511205243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18229805 + ... + 23941737.

It is an arithmetic number, because the mean of its divisors is an integer number (8731490789760).

Almost surely, 2^{120440511205343} is an apocalyptic number.

120440511205343 is a deficient number, since it is larger than the sum of its proper divisors (19263341430817).

120440511205343 is an equidigital number, since it uses as much as digits as its factorization.

120440511205343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756966.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 120440511205343 its reverse (343502115044021), we get a palindrome (463942626249364).

The spelling of 120440511205343 in words is "one hundred twenty trillion, four hundred forty billion, five hundred eleven million, two hundred five thousand, three hundred forty-three".