215366532213 has 16 divisors (see below), whose sum is σ = 333739906560. Its totient is φ = 120980714736.

The previous prime is 215366532211. The next prime is 215366532287. The reversal of 215366532213 is 312235663512.

215366532213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215366532213 - 2¹ = 215366532211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215366532211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 86910195 + ... + 86912672.

It is an arithmetic number, because the mean of its divisors is an integer number (20858744160).

Almost surely, 2^215366532213 is an apocalyptic number.

It is an amenable number.

215366532213 is a deficient number, since it is larger than the sum of its proper divisors (118373374347).

215366532213 is a wasteful number, since it uses less digits than its factorization.

215366532213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173822936.

The product of its digits is 194400, while the sum is 39.

The spelling of 215366532213 in words is "two hundred fifteen billion, three hundred sixty-six million, five hundred thirty-two thousand, two hundred thirteen".