21403014316411 has 24 divisors (see below), whose sum is σ = 26977061794704. Its totient is φ = 16830361880640.

The previous prime is 21403014316303. The next prime is 21403014316417. The reversal of 21403014316411 is 11461341030412.

It is not a de Polignac number, because 21403014316411 - 2²⁹ = 21402477445499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21403014316417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102962760 + ... + 103170421.

It is an arithmetic number, because the mean of its divisors is an integer number (1124044241446).

Almost surely, 2^{21403014316411} is an apocalyptic number.

21403014316411 is a deficient number, since it is larger than the sum of its proper divisors (5574047478293).

21403014316411 is a wasteful number, since it uses less digits than its factorization.

21403014316411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206133371 (or 206133364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 21403014316411 its reverse (11461341030412), we get a palindrome (32864355346823).

The spelling of 21403014316411 in words is "twenty-one trillion, four hundred three billion, fourteen million, three hundred sixteen thousand, four hundred eleven".