21454450151335 has 8 divisors (see below), whose sum is σ = 25745516037360. Its totient is φ = 17163442883904.

The previous prime is 21454450151327. The next prime is 21454450151357. The reversal of 21454450151335 is 53315105445412.

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 21454450151335 - 2³ = 21454450151327 is a prime.

It is a super-2 number, since 2×21454450151335² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21454450151291 and 21454450151300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13845382 + ... + 15316771.

It is an arithmetic number, because the mean of its divisors is an integer number (3218189504670).

Almost surely, 2^{21454450151335} is an apocalyptic number.

21454450151335 is a deficient number, since it is larger than the sum of its proper divisors (4291065886025).

21454450151335 is a wasteful number, since it uses less digits than its factorization.

21454450151335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29309297.

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 21454450151335 its reverse (53315105445412), we get a palindrome (74769555596747).

The spelling of 21454450151335 in words is "twenty-one trillion, four hundred fifty-four billion, four hundred fifty million, one hundred fifty-one thousand, three hundred thirty-five".