215056105716 has 24 divisors (see below), whose sum is σ = 511265460384. Its totient is φ = 70332814240.

The previous prime is 215056105699. The next prime is 215056105727. The reversal of 215056105716 is 617501650512.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 169068630 + ... + 169069901.

It is an arithmetic number, because the mean of its divisors is an integer number (21302727516).

Almost surely, 2^215056105716 is an apocalyptic number.

It is an amenable number.

215056105716 is an abundant number, since it is smaller than the sum of its proper divisors (296209354668).

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

215056105716 is a wasteful number, since it uses less digits than its factorization.

215056105716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338138591 (or 338138589 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 215056105716 in words is "two hundred fifteen billion, fifty-six million, one hundred five thousand, seven hundred sixteen".