21514230354501 has 8 divisors (see below), whose sum is σ = 31872933858560. Its totient is φ = 14342820236316.

The previous prime is 21514230354499. The next prime is 21514230354553. The reversal of 21514230354501 is 10545303241512.

21514230354501 is a `hidden beast` number, since 2 + 1 + 5 + 142 + 3 + 0 + 3 + 5 + 4 + 501 = 666.

It is not a de Polignac number, because 21514230354501 - 2¹ = 21514230354499 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 (21514230314501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398411673205 + ... + 398411673258.

It is an arithmetic number, because the mean of its divisors is an integer number (3984116732320).

Almost surely, 2^{21514230354501} is an apocalyptic number.

It is an amenable number.

21514230354501 is a deficient number, since it is larger than the sum of its proper divisors (10358703504059).

21514230354501 is an equidigital number, since it uses as much as digits as its factorization.

21514230354501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796823346472 (or 796823346466 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 21514230354501 in words is "twenty-one trillion, five hundred fourteen billion, two hundred thirty million, three hundred fifty-four thousand, five hundred one".