215353234135 has 24 divisors (see below), whose sum is σ = 284350149216. Its totient is φ = 155646358080.

The previous prime is 215353234073. The next prime is 215353234163. The reversal of 215353234135 is 531432353512.

It is not a de Polignac number, because 215353234135 - 2⁷ = 215353234007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215353234094 and 215353234103.

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 23 ways as a sum of consecutive naturals, for example, 606331 + ... + 893500.

It is an arithmetic number, because the mean of its divisors is an integer number (11847922884).

Almost surely, 2^215353234135 is an apocalyptic number.

215353234135 is a deficient number, since it is larger than the sum of its proper divisors (68996915081).

215353234135 is a wasteful number, since it uses less digits than its factorization.

215353234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499943 (or 1499896 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

Adding to 215353234135 its reverse (531432353512), we get a palindrome (746785587647).

The spelling of 215353234135 in words is "two hundred fifteen billion, three hundred fifty-three million, two hundred thirty-four thousand, one hundred thirty-five".