115355124246121 has 2 divisors, whose sum is σ = 115355124246122. Its totient is φ = 115355124246120.

The previous prime is 115355124246083. The next prime is 115355124246163. The reversal of 115355124246121 is 121642421553511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89874950457600 + 25480173788521 = 9480240^2 + 5047789^2 .

It is a cyclic number.

It is not a de Polignac number, because 115355124246121 - 2³¹ = 115352976762473 is a prime.

It is not a weakly prime, because it can be changed into another prime (115355124246821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57677562123060 + 57677562123061.

It is an arithmetic number, because the mean of its divisors is an integer number (57677562123061).

Almost surely, 2^{115355124246121} is an apocalyptic number.

It is an amenable number.

115355124246121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115355124246121 is an equidigital number, since it uses as much as digits as its factorization.

115355124246121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 43.

Adding to 115355124246121 its reverse (121642421553511), we get a palindrome (236997545799632).

The spelling of 115355124246121 in words is "one hundred fifteen trillion, three hundred fifty-five billion, one hundred twenty-four million, two hundred forty-six thousand, one hundred twenty-one".