115240255 has 12 divisors (see below), whose sum is σ = 149745240. Its totient is φ = 85099872.

The previous prime is 115240253. The next prime is 115240259. The reversal of 115240255 is 552042511.

It is not a de Polignac number, because 115240255 - 2¹ = 115240253 is a prime.

It is a super-3 number, since 3×115240255³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115240253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67345 + ... + 69034.

It is an arithmetic number, because the mean of its divisors is an integer number (12478770).

Almost surely, 2^115240255 is an apocalyptic number.

115240255 is a deficient number, since it is larger than the sum of its proper divisors (34504985).

115240255 is a wasteful number, since it uses less digits than its factorization.

115240255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136410 (or 136397 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 115240255 is about 10735.0013972985. The cubic root of 115240255 is about 486.6328287497.

Adding to 115240255 its reverse (552042511), we get a palindrome (667282766).

The spelling of 115240255 in words is "one hundred fifteen million, two hundred forty thousand, two hundred fifty-five".