120042052255 has 4 divisors (see below), whose sum is σ = 144050462712. Its totient is φ = 96033641800.

The previous prime is 120042052237. The next prime is 120042052259. The reversal of 120042052255 is 552250240021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552250240021 = 188159 ⋅2935019.

It is not a de Polignac number, because 120042052255 - 2²³ = 120033663647 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 (120042052259) 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, 12004205221 + ... + 12004205230.

It is an arithmetic number, because the mean of its divisors is an integer number (36012615678).

Almost surely, 2^120042052255 is an apocalyptic number.

120042052255 is a deficient number, since it is larger than the sum of its proper divisors (24008410457).

120042052255 is an equidigital number, since it uses as much as digits as its factorization.

120042052255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008410456.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 120042052255 its reverse (552250240021), we get a palindrome (672292292276).

The spelling of 120042052255 in words is "one hundred twenty billion, forty-two million, fifty-two thousand, two hundred fifty-five".