215065523350 has 12 divisors (see below), whose sum is σ = 400021873524. Its totient is φ = 86026209320.

The previous prime is 215065523333. The next prime is 215065523389. The reversal of 215065523350 is 53325560512.

215065523350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150655184 + ... + 2150655283.

It is an arithmetic number, because the mean of its divisors is an integer number (33335156127).

Almost surely, 2^215065523350 is an apocalyptic number.

215065523350 is a deficient number, since it is larger than the sum of its proper divisors (184956350174).

215065523350 is a wasteful number, since it uses less digits than its factorization.

215065523350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4301310479 (or 4301310474 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 215065523350 in words is "two hundred fifteen billion, sixty-five million, five hundred twenty-three thousand, three hundred fifty".