521361130211 has 2 divisors, whose sum is σ = 521361130212. Its totient is φ = 521361130210.

The previous prime is 521361130201. The next prime is 521361130249. The reversal of 521361130211 is 112031163125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 521361130211 - 2¹⁰ = 521361129187 is a prime.

It is not a weakly prime, because it can be changed into another prime (521361130201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260680565105 + 260680565106.

It is an arithmetic number, because the mean of its divisors is an integer number (260680565106).

Almost surely, 2^521361130211 is an apocalyptic number.

521361130211 is a deficient number, since it is larger than the sum of its proper divisors (1).

521361130211 is an equidigital number, since it uses as much as digits as its factorization.

521361130211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 521361130211 its reverse (112031163125), we get a palindrome (633392293336).

The spelling of 521361130211 in words is "five hundred twenty-one billion, three hundred sixty-one million, one hundred thirty thousand, two hundred eleven".