120255508056 has 32 divisors (see below), whose sum is σ = 300656240640. Its totient is φ = 40082839968.

The previous prime is 120255508001. The next prime is 120255508063. The reversal of 120255508056 is 650805552021.

It is a super-2 number, since 2×120255508056² (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 7 ways as a sum of consecutive naturals, for example, 304405 + ... + 577211.

It is an arithmetic number, because the mean of its divisors is an integer number (9395507520).

Almost surely, 2^120255508056 is an apocalyptic number.

It is an amenable number.

120255508056 is an abundant number, since it is smaller than the sum of its proper divisors (180400732584).

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

120255508056 is a wasteful number, since it uses less digits than its factorization.

120255508056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291183 (or 291179 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 120255508056 in words is "one hundred twenty billion, two hundred fifty-five million, five hundred eight thousand, fifty-six".