21314201424515 has 16 divisors (see below), whose sum is σ = 25848099710400. Its totient is φ = 16871097094272.

The previous prime is 21314201424493. The next prime is 21314201424521. The reversal of 21314201424515 is 51542410241312.

It is a cyclic number.

It is not a de Polignac number, because 21314201424515 - 2¹⁴ = 21314201408131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27193727 + ... + 27966536.

It is an arithmetic number, because the mean of its divisors is an integer number (1615506231900).

Almost surely, 2^{21314201424515} is an apocalyptic number.

21314201424515 is a deficient number, since it is larger than the sum of its proper divisors (4533898285885).

21314201424515 is a wasteful number, since it uses less digits than its factorization.

21314201424515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55161086.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 21314201424515 its reverse (51542410241312), we get a palindrome (72856611665827).

The spelling of 21314201424515 in words is "twenty-one trillion, three hundred fourteen billion, two hundred one million, four hundred twenty-four thousand, five hundred fifteen".