21514230354511 has 8 divisors (see below), whose sum is σ = 22015961245520. Its totient is φ = 21012563097792.

The previous prime is 21514230354499. The next prime is 21514230354553. The reversal of 21514230354511 is 11545303241512.

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 21514230354511 - 2²¹ = 21514228257359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21514230357511) 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, 15224166 + ... + 16577203.

It is an arithmetic number, because the mean of its divisors is an integer number (2751995155690).

Almost surely, 2^{21514230354511} is an apocalyptic number.

21514230354511 is a deficient number, since it is larger than the sum of its proper divisors (501730891009).

21514230354511 is a wasteful number, since it uses less digits than its factorization.

21514230354511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31817145.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 21514230354511 in words is "twenty-one trillion, five hundred fourteen billion, two hundred thirty million, three hundred fifty-four thousand, five hundred eleven".