21531535114041 has 24 divisors (see below), whose sum is σ = 32296408522560. Its totient is φ = 14335037165232.

The previous prime is 21531535114027. The next prime is 21531535114043. The reversal of 21531535114041 is 14041153513512.

21531535114041 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 1 + 535 + 114 + 0 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-21531535114041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21531535113987 and 21531535114005.

It is not an unprimeable number, because it can be changed into a prime (21531535114043) 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, 59447406 + ... + 59808503.

It is an arithmetic number, because the mean of its divisors is an integer number (1345683688440).

Almost surely, 2^{21531535114041} is an apocalyptic number.

It is an amenable number.

21531535114041 is a deficient number, since it is larger than the sum of its proper divisors (10764873408519).

21531535114041 is an equidigital number, since it uses as much as digits as its factorization.

21531535114041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119256667 (or 119256655 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 21531535114041 its reverse (14041153513512), we get a palindrome (35572688627553).

The spelling of 21531535114041 in words is "twenty-one trillion, five hundred thirty-one billion, five hundred thirty-five million, one hundred fourteen thousand, forty-one".