21514050005411 has 8 divisors (see below), whose sum is σ = 21898384456848. Its totient is φ = 21130736364000.

The previous prime is 21514050005389. The next prime is 21514050005419. The reversal of 21514050005411 is 11450005041512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21514050005411 - 2¹⁰ = 21514050004387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21514050005419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255159980 + ... + 255244281.

It is an arithmetic number, because the mean of its divisors is an integer number (2737298057106).

Almost surely, 2^{21514050005411} is an apocalyptic number.

21514050005411 is a deficient number, since it is larger than the sum of its proper divisors (384334451437).

21514050005411 is an equidigital number, since it uses as much as digits as its factorization.

21514050005411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510405013.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 21514050005411 its reverse (11450005041512), we get a palindrome (32964055046923).

The spelling of 21514050005411 in words is "twenty-one trillion, five hundred fourteen billion, fifty million, five thousand, four hundred eleven".