21514531144041 has 24 divisors (see below), whose sum is σ = 34922137513536. Its totient is φ = 12664071842400.

The previous prime is 21514531144031. The next prime is 21514531144063. The reversal of 21514531144041 is 14044113541512.

21514531144041 is a `hidden beast` number, since 2 + 1 + 5 + 145 + 31 + 1 + 440 + 41 = 666.

It is not a de Polignac number, because 21514531144041 - 2⁶ = 21514531143977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21514531143987 and 21514531144005.

It is not an unprimeable number, because it can be changed into a prime (21514531144031) 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 23 ways as a sum of consecutive naturals, for example, 3997494735 + ... + 3997500116.

It is an arithmetic number, because the mean of its divisors is an integer number (1455089063064).

Almost surely, 2^{21514531144041} is an apocalyptic number.

It is an amenable number.

21514531144041 is a deficient number, since it is larger than the sum of its proper divisors (13407606369495).

21514531144041 is a wasteful number, since it uses less digits than its factorization.

21514531144041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994994893 (or 7994994890 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 21514531144041 its reverse (14044113541512), we get a palindrome (35558644685553).

The spelling of 21514531144041 in words is "twenty-one trillion, five hundred fourteen billion, five hundred thirty-one million, one hundred forty-four thousand, forty-one".