215216580000 has 120 divisors (see below), whose sum is σ = 705953622528. Its totient is φ = 57391072000.

The previous prime is 215216579993. The next prime is 215216580119. The reversal of 215216580000 is 85612512.

215216580000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 215216580000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1733472 + ... + 1853471.

Almost surely, 2^215216580000 is an apocalyptic number.

215216580000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215216580000 is an abundant number, since it is smaller than the sum of its proper divisors (490737042528).

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

215216580000 is an equidigital number, since it uses as much as digits as its factorization.

215216580000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586976 (or 3586953 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 215216580000 in words is "two hundred fifteen billion, two hundred sixteen million, five hundred eighty thousand".