13521030043111 has 2 divisors, whose sum is σ = 13521030043112. Its totient is φ = 13521030043110.

The previous prime is 13521030043099. The next prime is 13521030043151. The reversal of 13521030043111 is 11134003012531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13521030043111 - 2²⁷ = 13520895825383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13521030043151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760515021555 + 6760515021556.

It is an arithmetic number, because the mean of its divisors is an integer number (6760515021556).

Almost surely, 2^{13521030043111} is an apocalyptic number.

13521030043111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13521030043111 is an equidigital number, since it uses as much as digits as its factorization.

13521030043111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 13521030043111 its reverse (11134003012531), we get a palindrome (24655033055642).

The spelling of 13521030043111 in words is "thirteen trillion, five hundred twenty-one billion, thirty million, forty-three thousand, one hundred eleven".