115153412120281 has 2 divisors, whose sum is σ = 115153412120282. Its totient is φ = 115153412120280.

The previous prime is 115153412120183. The next prime is 115153412120287. The reversal of 115153412120281 is 182021214351511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93620796014656 + 21532616105625 = 9675784^2 + 4640325^2 .

It is a cyclic number.

It is not a de Polignac number, because 115153412120281 - 2⁹ = 115153412119769 is a prime.

It is a super-2 number, since 2×115153412120281² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115153412120281.

It is not a weakly prime, because it can be changed into another prime (115153412120287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57576706060140 + 57576706060141.

It is an arithmetic number, because the mean of its divisors is an integer number (57576706060141).

Almost surely, 2^{115153412120281} is an apocalyptic number.

It is an amenable number.

115153412120281 is a deficient number, since it is larger than the sum of its proper divisors (1).

115153412120281 is an equidigital number, since it uses as much as digits as its factorization.

115153412120281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 37.

Adding to 115153412120281 its reverse (182021214351511), we get a palindrome (297174626471792).

The spelling of 115153412120281 in words is "one hundred fifteen trillion, one hundred fifty-three billion, four hundred twelve million, one hundred twenty thousand, two hundred eighty-one".