215355272082 has 32 divisors (see below), whose sum is σ = 433420460928. Its totient is φ = 71334665856.

The previous prime is 215355272023. The next prime is 215355272147. The reversal of 215355272082 is 280272553512.

It is a super-2 number, since 2×215355272082² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550068 + ... + 856320.

It is an arithmetic number, because the mean of its divisors is an integer number (13544389404).

Almost surely, 2^215355272082 is an apocalyptic number.

215355272082 is an abundant number, since it is smaller than the sum of its proper divisors (218065188846).

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

215355272082 is a wasteful number, since it uses less digits than its factorization.

215355272082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306994.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 215355272082 in words is "two hundred fifteen billion, three hundred fifty-five million, two hundred seventy-two thousand, eighty-two".