21140534041307 has 2 divisors, whose sum is σ = 21140534041308. Its totient is φ = 21140534041306.

The previous prime is 21140534041283. The next prime is 21140534041313. The reversal of 21140534041307 is 70314043504112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21140534041307 - 2²⁰ = 21140532992731 is a prime.

It is not a weakly prime, because it can be changed into another prime (21140530041307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570267020653 + 10570267020654.

It is an arithmetic number, because the mean of its divisors is an integer number (10570267020654).

Almost surely, 2^{21140534041307} is an apocalyptic number.

21140534041307 is a deficient number, since it is larger than the sum of its proper divisors (1).

21140534041307 is an equidigital number, since it uses as much as digits as its factorization.

21140534041307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 21140534041307 its reverse (70314043504112), we get a palindrome (91454577545419).

The spelling of 21140534041307 in words is "twenty-one trillion, one hundred forty billion, five hundred thirty-four million, forty-one thousand, three hundred seven".