120005355580 has 24 divisors (see below), whose sum is σ = 274921360560. Its totient is φ = 43638311040.

The previous prime is 120005355529. The next prime is 120005355647. The reversal of 120005355580 is 85553500021.

It is a super-3 number, since 3×120005355580³ (a number of 34 digits) contains 333 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, 272739225 + ... + 272739664.

It is an arithmetic number, because the mean of its divisors is an integer number (11455056690).

Almost surely, 2^120005355580 is an apocalyptic number.

120005355580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120005355580 is an abundant number, since it is smaller than the sum of its proper divisors (154916004980).

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

120005355580 is a wasteful number, since it uses less digits than its factorization.

120005355580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545478909 (or 545478907 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 120005355580 in words is "one hundred twenty billion, five million, three hundred fifty-five thousand, five hundred eighty".