215153330024 has 8 divisors (see below), whose sum is σ = 403412493810. Its totient is φ = 107576665008.

The previous prime is 215153329973. The next prime is 215153330033. The reversal of 215153330024 is 420033351512.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 207223427524 + 7929902500 = 455218^2 + 89050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13447083119 + ... + 13447083134.

Almost surely, 2^215153330024 is an apocalyptic number.

It is an amenable number.

215153330024 is a deficient number, since it is larger than the sum of its proper divisors (188259163786).

215153330024 is a wasteful number, since it uses less digits than its factorization.

215153330024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26894166259 (or 26894166255 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 215153330024 its reverse (420033351512), we get a palindrome (635186681536).

The spelling of 215153330024 in words is "two hundred fifteen billion, one hundred fifty-three million, three hundred thirty thousand, twenty-four".