120342241353155 has 16 divisors (see below), whose sum is σ = 152905869892800. Its totient is φ = 90610371704832.

The previous prime is 120342241353151. The next prime is 120342241353193. The reversal of 120342241353155 is 551353142243021.

It is a cyclic number.

It is not a de Polignac number, because 120342241353155 - 2² = 120342241353151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120342241353151) 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, 31371371 + ... + 34997819.

It is an arithmetic number, because the mean of its divisors is an integer number (9556616868300).

Almost surely, 2^{120342241353155} is an apocalyptic number.

120342241353155 is a deficient number, since it is larger than the sum of its proper divisors (32563628539645).

120342241353155 is a wasteful number, since it uses less digits than its factorization.

120342241353155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016878.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 120342241353155 its reverse (551353142243021), we get a palindrome (671695383596176).

The spelling of 120342241353155 in words is "one hundred twenty trillion, three hundred forty-two billion, two hundred forty-one million, three hundred fifty-three thousand, one hundred fifty-five".