120516941556 has 336 divisors, whose sum is σ = 374886758400. Its totient is φ = 33476846400.

The previous prime is 120516941549. The next prime is 120516941561. The reversal of 120516941556 is 655149615021.

120516941556 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 1 + 6 + 94 + 1 + 556 = 666.

It is a super-2 number, since 2×120516941556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 18889575 + ... + 18895953.

It is an arithmetic number, because the mean of its divisors is an integer number (1115734400).

Almost surely, 2^120516941556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120516941556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187443379200).

120516941556 is an abundant number, since it is smaller than the sum of its proper divisors (254369816844).

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

120516941556 is a wasteful number, since it uses less digits than its factorization.

120516941556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 45.

The spelling of 120516941556 in words is "one hundred twenty billion, five hundred sixteen million, nine hundred forty-one thousand, five hundred fifty-six".