115531035170281 has 2 divisors, whose sum is σ = 115531035170282. Its totient is φ = 115531035170280.

The previous prime is 115531035170233. The next prime is 115531035170323. The reversal of 115531035170281 is 182071530135511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112817961696400 + 2713073473881 = 10621580^2 + 1647141^2 .

It is a cyclic number.

It is not a de Polignac number, because 115531035170281 - 2¹⁷ = 115531035039209 is a prime.

It is a super-2 number, since 2×115531035170281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115531035150281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57765517585140 + 57765517585141.

It is an arithmetic number, because the mean of its divisors is an integer number (57765517585141).

Almost surely, 2^{115531035170281} is an apocalyptic number.

It is an amenable number.

115531035170281 is a deficient number, since it is larger than the sum of its proper divisors (1).

115531035170281 is an equidigital number, since it uses as much as digits as its factorization.

115531035170281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 43.

The spelling of 115531035170281 in words is "one hundred fifteen trillion, five hundred thirty-one billion, thirty-five million, one hundred seventy thousand, two hundred eighty-one".