115240421255 has 8 divisors (see below), whose sum is σ = 138738958512. Its totient is φ = 91892035008.

The previous prime is 115240421249. The next prime is 115240421273. The reversal of 115240421255 is 552124042511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115240421255 - 2¹⁴ = 115240404871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37536062 + ... + 37539131.

It is an arithmetic number, because the mean of its divisors is an integer number (17342369814).

Almost surely, 2^115240421255 is an apocalyptic number.

115240421255 is a deficient number, since it is larger than the sum of its proper divisors (23498537257).

115240421255 is an equidigital number, since it uses as much as digits as its factorization.

115240421255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75075505.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 115240421255 its reverse (552124042511), we get a palindrome (667364463766).

The spelling of 115240421255 in words is "one hundred fifteen billion, two hundred forty million, four hundred twenty-one thousand, two hundred fifty-five".