1113043524521 has 2 divisors, whose sum is σ = 1113043524522. Its totient is φ = 1113043524520.

The previous prime is 1113043524511. The next prime is 1113043524553. The reversal of 1113043524521 is 1254253403111.

It is an a-pointer prime, because the next prime (1113043524553) can be obtained adding 1113043524521 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021183007296 + 91860517225 = 1010536^2 + 303085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113043524521 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113043524511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556521762260 + 556521762261.

It is an arithmetic number, because the mean of its divisors is an integer number (556521762261).

Almost surely, 2^{1113043524521} is an apocalyptic number.

It is an amenable number.

1113043524521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113043524521 is an equidigital number, since it uses as much as digits as its factorization.

1113043524521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1113043524521 its reverse (1254253403111), we get a palindrome (2367296927632).

The spelling of 1113043524521 in words is "one trillion, one hundred thirteen billion, forty-three million, five hundred twenty-four thousand, five hundred twenty-one".