215153330105 has 16 divisors (see below), whose sum is σ = 295668399744. Its totient is φ = 147233224320.

The previous prime is 215153330089. The next prime is 215153330201. The reversal of 215153330105 is 501033351512.

It is a happy number.

It is not a de Polignac number, because 215153330105 - 2⁴ = 215153330089 is a prime.

It is a super-2 number, since 2×215153330105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 6242732 + ... + 6277101.

It is an arithmetic number, because the mean of its divisors is an integer number (18479274984).

Almost surely, 2^215153330105 is an apocalyptic number.

It is an amenable number.

215153330105 is a deficient number, since it is larger than the sum of its proper divisors (80515069639).

215153330105 is a wasteful number, since it uses less digits than its factorization.

215153330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520336.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 215153330105 its reverse (501033351512), we get a palindrome (716186681617).

The spelling of 215153330105 in words is "two hundred fifteen billion, one hundred fifty-three million, three hundred thirty thousand, one hundred five".