120515899716 has 27 divisors (see below), whose sum is σ = 304642678431. Its totient is φ = 40171272264.

The previous prime is 120515899711. The next prime is 120515899783. The reversal of 120515899716 is 617998515021.

It is a happy number.

The square root of 120515899716 is 347154.

It is a perfect power (a square), and thus also a powerful number.

120515899716 is a `hidden beast` number, since 1 + 2 + 0 + 51 + 589 + 9 + 7 + 1 + 6 = 666.

120515899716 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (120515899711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2053995 + ... + 2111853.

Almost surely, 2^120515899716 is an apocalyptic number.

120515899716 is the 347154-th square number.

It is an amenable number.

120515899716 is an abundant number, since it is smaller than the sum of its proper divisors (184126778715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120515899716 is an frugal number, since it uses more digits than its factorization.

120515899716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115728 (or 57864 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 54.

The spelling of 120515899716 in words is "one hundred twenty billion, five hundred fifteen million, eight hundred ninety-nine thousand, seven hundred sixteen".