115021234441921 has 2 divisors, whose sum is σ = 115021234441922. Its totient is φ = 115021234441920.

The previous prime is 115021234441903. The next prime is 115021234441937. The reversal of 115021234441921 is 129144432120511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85679089690000 + 29342144751921 = 9256300^2 + 5416839^2 .

It is a cyclic number.

It is not a de Polignac number, because 115021234441921 - 2¹⁵ = 115021234409153 is a prime.

It is not a weakly prime, because it can be changed into another prime (115021234441991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57510617220960 + 57510617220961.

It is an arithmetic number, because the mean of its divisors is an integer number (57510617220961).

Almost surely, 2^{115021234441921} is an apocalyptic number.

It is an amenable number.

115021234441921 is a deficient number, since it is larger than the sum of its proper divisors (1).

115021234441921 is an equidigital number, since it uses as much as digits as its factorization.

115021234441921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 115021234441921 in words is "one hundred fifteen trillion, twenty-one billion, two hundred thirty-four million, four hundred forty-one thousand, nine hundred twenty-one".