120546505056 has 96 divisors (see below), whose sum is σ = 321315216768. Its totient is φ = 39562997760.

The previous prime is 120546505007. The next prime is 120546505091. The reversal of 120546505056 is 650505645021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19556631 + ... + 19562793.

It is an arithmetic number, because the mean of its divisors is an integer number (3347033508).

Almost surely, 2^120546505056 is an apocalyptic number.

120546505056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120546505056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160657608384).

120546505056 is an abundant number, since it is smaller than the sum of its proper divisors (200768711712).

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

120546505056 is a wasteful number, since it uses less digits than its factorization.

120546505056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284 (or 9276 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 120546505056 in words is "one hundred twenty billion, five hundred forty-six million, five hundred five thousand, fifty-six".