21160200621315 has 32 divisors (see below), whose sum is σ = 38889349171200. Its totient is φ = 9624131846784.

The previous prime is 21160200621239. The next prime is 21160200621419. The reversal of 21160200621315 is 51312600206112.

It is not a de Polignac number, because 21160200621315 - 2⁷ = 21160200621187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511465915 + ... + 511507284.

It is an arithmetic number, because the mean of its divisors is an integer number (1215292161600).

Almost surely, 2^{21160200621315} is an apocalyptic number.

21160200621315 is a deficient number, since it is larger than the sum of its proper divisors (17729148549885).

21160200621315 is a wasteful number, since it uses less digits than its factorization.

21160200621315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022973411.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 21160200621315 its reverse (51312600206112), we get a palindrome (72472800827427).

The spelling of 21160200621315 in words is "twenty-one trillion, one hundred sixty billion, two hundred million, six hundred twenty-one thousand, three hundred fifteen".