215165328535 has 16 divisors (see below), whose sum is σ = 261928510272. Its totient is φ = 169647251200.

The previous prime is 215165328533. The next prime is 215165328557. The reversal of 215165328535 is 535823561512.

215165328535 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 215165328535 - 2¹ = 215165328533 is a prime.

It is a super-2 number, since 2×215165328535² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215165328533) 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, 900315 + ... + 1113955.

It is an arithmetic number, because the mean of its divisors is an integer number (16370531892).

Almost surely, 2^215165328535 is an apocalyptic number.

215165328535 is a deficient number, since it is larger than the sum of its proper divisors (46763181737).

215165328535 is a wasteful number, since it uses less digits than its factorization.

215165328535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216554.

The product of its digits is 1080000, while the sum is 46.

The spelling of 215165328535 in words is "two hundred fifteen billion, one hundred sixty-five million, three hundred twenty-eight thousand, five hundred thirty-five".