115332243455138 has 8 divisors (see below), whose sum is σ = 175834403956380. Its totient is φ = 56720775469680.

The previous prime is 115332243455137. The next prime is 115332243455161. The reversal of 115332243455138 is 831554342233511.

It can be written as a sum of positive squares in 2 ways, for example, as 115328762809129 + 3480646009 = 10739123^2 + 58997^2 .

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

It is not an unprimeable number, because it can be changed into a prime (115332243455137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472673128793 + ... + 472673129036.

Almost surely, 2^{115332243455138} is an apocalyptic number.

115332243455138 is a deficient number, since it is larger than the sum of its proper divisors (60502160501242).

115332243455138 is an equidigital number, since it uses as much as digits as its factorization.

115332243455138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945346257892.

The product of its digits is 5184000, while the sum is 50.

Adding to 115332243455138 its reverse (831554342233511), we get a palindrome (946886585688649).

The spelling of 115332243455138 in words is "one hundred fifteen trillion, three hundred thirty-two billion, two hundred forty-three million, four hundred fifty-five thousand, one hundred thirty-eight".