711221220456215 has 64 divisors (see below), whose sum is σ = 1044382832409600. Its totient is φ = 454084389310464.

The previous prime is 711221220456203. The next prime is 711221220456217. The reversal of 711221220456215 is 512654022122117.

711221220456215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 711221220456215 - 2⁶ = 711221220456151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711221220456217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158374439 + ... + 162803271.

It is an arithmetic number, because the mean of its divisors is an integer number (16318481756400).

Almost surely, 2^{711221220456215} is an apocalyptic number.

711221220456215 is a deficient number, since it is larger than the sum of its proper divisors (333161611953385).

711221220456215 is a wasteful number, since it uses less digits than its factorization.

711221220456215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433016.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 711221220456215 in words is "seven hundred eleven trillion, two hundred twenty-one billion, two hundred twenty million, four hundred fifty-six thousand, two hundred fifteen".