120505565520576 has 42 divisors (see below), whose sum is σ = 345407445617052. Its totient is φ = 40168521840000.

The previous prime is 120505565520511. The next prime is 120505565520607. The reversal of 120505565520576 is 675025565505021.

It is a happy number.

120505565520576 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 0 + 5 + 5 + 65 + 5 + 2 + 0 + 576 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104605525050 + ... + 104605526201.

It is an arithmetic number, because the mean of its divisors is an integer number (8223986800406).

Almost surely, 2^{120505565520576} is an apocalyptic number.

120505565520576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120505565520576 is an abundant number, since it is smaller than the sum of its proper divisors (224901880096476).

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

120505565520576 is a wasteful number, since it uses less digits than its factorization.

120505565520576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209211051269 (or 209211051256 counting only the distinct ones).

The product of its (nonzero) digits is 15750000, while the sum is 54.

The spelling of 120505565520576 in words is "one hundred twenty trillion, five hundred five billion, five hundred sixty-five million, five hundred twenty thousand, five hundred seventy-six".