113212221550513 has 2 divisors, whose sum is σ = 113212221550514. Its totient is φ = 113212221550512.

The previous prime is 113212221550481. The next prime is 113212221550537. The reversal of 113212221550513 is 315055122212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100303269583104 + 12908951967409 = 10015152^2 + 3592903^2 .

It is a cyclic number.

It is not a de Polignac number, because 113212221550513 - 2⁵ = 113212221550481 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212221550313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56606110775256 + 56606110775257.

It is an arithmetic number, because the mean of its divisors is an integer number (56606110775257).

Almost surely, 2^{113212221550513} is an apocalyptic number.

It is an amenable number.

113212221550513 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212221550513 is an equidigital number, since it uses as much as digits as its factorization.

113212221550513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 34.

Adding to 113212221550513 its reverse (315055122212311), we get a palindrome (428267343762824).

The spelling of 113212221550513 in words is "one hundred thirteen trillion, two hundred twelve billion, two hundred twenty-one million, five hundred fifty thousand, five hundred thirteen".