115225312024021 has 2 divisors, whose sum is σ = 115225312024022. Its totient is φ = 115225312024020.

The previous prime is 115225312024003. The next prime is 115225312024063. The reversal of 115225312024021 is 120420213522511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72708535224900 + 42516776799121 = 8526930^2 + 6520489^2 .

It is a cyclic number.

It is not a de Polignac number, because 115225312024021 - 2¹¹ = 115225312021973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115225312024001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57612656012010 + 57612656012011.

It is an arithmetic number, because the mean of its divisors is an integer number (57612656012011).

Almost surely, 2^{115225312024021} is an apocalyptic number.

It is an amenable number.

115225312024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

115225312024021 is an equidigital number, since it uses as much as digits as its factorization.

115225312024021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 115225312024021 its reverse (120420213522511), we get a palindrome (235645525546532).

The spelling of 115225312024021 in words is "one hundred fifteen trillion, two hundred twenty-five billion, three hundred twelve million, twenty-four thousand, twenty-one".