115321332115450 has 72 divisors (see below), whose sum is σ = 231902699894460. Its totient is φ = 42634843948800.

The previous prime is 115321332115439. The next prime is 115321332115453. The reversal of 115321332115450 is 54511233123511.

It can be written as a sum of positive squares in 6 ways, for example, as 33487181549721 + 81834150565729 = 5786811^2 + 9046223^2 .

It is not an unprimeable number, because it can be changed into a prime (115321332115453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 77174505 + ... + 78654604.

Almost surely, 2^{115321332115450} is an apocalyptic number.

115321332115450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115321332115450 is an abundant number, since it is smaller than the sum of its proper divisors (116581367779010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115321332115450 is a wasteful number, since it uses less digits than its factorization.

115321332115450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155829200 (or 155829176 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 37.

Adding to 115321332115450 its reverse (54511233123511), we get a palindrome (169832565238961).

The spelling of 115321332115450 in words is "one hundred fifteen trillion, three hundred twenty-one billion, three hundred thirty-two million, one hundred fifteen thousand, four hundred fifty".