15281422881113 has 2 divisors, whose sum is σ = 15281422881114. Its totient is φ = 15281422881112.

The previous prime is 15281422881077. The next prime is 15281422881119. The reversal of 15281422881113 is 31118822418251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15022507788544 + 258915092569 = 3875888^2 + 508837^2 .

It is an emirp because it is prime and its reverse (31118822418251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15281422881113 - 2¹⁶ = 15281422815577 is a prime.

It is not a weakly prime, because it can be changed into another prime (15281422881119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640711440556 + 7640711440557.

It is an arithmetic number, because the mean of its divisors is an integer number (7640711440557).

Almost surely, 2^{15281422881113} is an apocalyptic number.

It is an amenable number.

15281422881113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15281422881113 is an equidigital number, since it uses as much as digits as its factorization.

15281422881113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 47.

The spelling of 15281422881113 in words is "fifteen trillion, two hundred eighty-one billion, four hundred twenty-two million, eight hundred eighty-one thousand, one hundred thirteen".