21314250615602 has 16 divisors (see below), whose sum is σ = 36543041187840. Its totient is φ = 9133597373568.

The previous prime is 21314250615527. The next prime is 21314250615617. The reversal of 21314250615602 is 20651605241312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89999327 + ... + 90235842.

It is an arithmetic number, because the mean of its divisors is an integer number (2283940074240).

Almost surely, 2^{21314250615602} is an apocalyptic number.

21314250615602 is a deficient number, since it is larger than the sum of its proper divisors (15228790572238).

21314250615602 is a wasteful number, since it uses less digits than its factorization.

21314250615602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180243625.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 21314250615602 its reverse (20651605241312), we get a palindrome (41965855856914).

The spelling of 21314250615602 in words is "twenty-one trillion, three hundred fourteen billion, two hundred fifty million, six hundred fifteen thousand, six hundred two".