115231311223425 has 72 divisors (see below), whose sum is σ = 208562409080064. Its totient is φ = 60811779358080.

The previous prime is 115231311223381. The next prime is 115231311223451. The reversal of 115231311223425 is 524322113132511.

115231311223425 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 3 + 1 + 3 + 1 + 1 + 223 + 425 = 666.

It is not a de Polignac number, because 115231311223425 - 2¹³ = 115231311215233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115231311223425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18003639 + ... + 23549811.

It is an arithmetic number, because the mean of its divisors is an integer number (2896700126112).

Almost surely, 2^{115231311223425} is an apocalyptic number.

115231311223425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115231311223425 is a deficient number, since it is larger than the sum of its proper divisors (93331097856639).

115231311223425 is a wasteful number, since it uses less digits than its factorization.

115231311223425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5547159 (or 5547151 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

Adding to 115231311223425 its reverse (524322113132511), we get a palindrome (639553424355936).

The spelling of 115231311223425 in words is "one hundred fifteen trillion, two hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, four hundred twenty-five".