120513005360550 has 72 divisors (see below), whose sum is σ = 353212662998520. Its totient is φ = 29215274025600.

The previous prime is 120513005360521. The next prime is 120513005360569. The reversal of 120513005360550 is 55063500315021.

120513005360550 is a `hidden beast` number, since 1 + 2 + 0 + 51 + 3 + 0 + 0 + 53 + 6 + 0 + 550 = 666.

It is a super-2 number, since 2×120513005360550² (a number of 29 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 35 ways as a sum of consecutive naturals, for example, 12173025895 + ... + 12173035794.

It is an arithmetic number, because the mean of its divisors is an integer number (4905731430535).

Almost surely, 2^{120513005360550} is an apocalyptic number.

120513005360550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120513005360550 is an abundant number, since it is smaller than the sum of its proper divisors (232699657637970).

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

120513005360550 is a wasteful number, since it uses less digits than its factorization.

120513005360550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24346061718 (or 24346061710 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 120513005360550 its reverse (55063500315021), we get a palindrome (175576505675571).

The spelling of 120513005360550 in words is "one hundred twenty trillion, five hundred thirteen billion, five million, three hundred sixty thousand, five hundred fifty".