21441140420151 has 8 divisors (see below), whose sum is σ = 28649403903744. Its totient is φ = 14263485275000.

The previous prime is 21441140420131. The next prime is 21441140420171. The reversal of 21441140420151 is 15102404114412.

It is an interprime number because it is at equal distance from previous prime (21441140420131) and next prime (21441140420171).

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 21441140420151 - 2¹⁹ = 21441139895863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441140420131) 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 7 ways as a sum of consecutive naturals, for example, 7652082975 + ... + 7652085776.

It is an arithmetic number, because the mean of its divisors is an integer number (3581175487968).

Almost surely, 2^{21441140420151} is an apocalyptic number.

21441140420151 is a deficient number, since it is larger than the sum of its proper divisors (7208263483593).

21441140420151 is a wasteful number, since it uses less digits than its factorization.

21441140420151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304169221.

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 21441140420151 its reverse (15102404114412), we get a palindrome (36543544534563).

The spelling of 21441140420151 in words is "twenty-one trillion, four hundred forty-one billion, one hundred forty million, four hundred twenty thousand, one hundred fifty-one".