120015110255 has 4 divisors (see below), whose sum is σ = 144018132312. Its totient is φ = 96012088200.

The previous prime is 120015110219. The next prime is 120015110261. The reversal of 120015110255 is 552011510021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120015110255 - 2⁶ = 120015110191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120015110255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12001511021 + ... + 12001511030.

It is an arithmetic number, because the mean of its divisors is an integer number (36004533078).

Almost surely, 2^120015110255 is an apocalyptic number.

120015110255 is a deficient number, since it is larger than the sum of its proper divisors (24003022057).

120015110255 is an equidigital number, since it uses as much as digits as its factorization.

120015110255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24003022056.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 120015110255 its reverse (552011510021), we get a palindrome (672026620276).

The spelling of 120015110255 in words is "one hundred twenty billion, fifteen million, one hundred ten thousand, two hundred fifty-five".