120051205555 has 8 divisors (see below), whose sum is σ = 145460102112. Its totient is φ = 95108527488.

The previous prime is 120051205531. The next prime is 120051205567. The reversal of 120051205555 is 555502150021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120051205555 - 2¹¹ = 120051203507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116554054 + ... + 116555083.

It is an arithmetic number, because the mean of its divisors is an integer number (18182512764).

Almost surely, 2^120051205555 is an apocalyptic number.

120051205555 is a deficient number, since it is larger than the sum of its proper divisors (25408896557).

120051205555 is a wasteful number, since it uses less digits than its factorization.

120051205555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233109245.

The product of its (nonzero) digits is 12500, while the sum is 31.

Adding to 120051205555 its reverse (555502150021), we get a palindrome (675553355576).

The spelling of 120051205555 in words is "one hundred twenty billion, fifty-one million, two hundred five thousand, five hundred fifty-five".