115532432144 has 20 divisors (see below), whose sum is σ = 227638056720. Its totient is φ = 56787127200.

The previous prime is 115532432131. The next prime is 115532432209. The reversal of 115532432144 is 441234235511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61192082 + ... + 61193969.

It is an arithmetic number, because the mean of its divisors is an integer number (11381902836).

Almost surely, 2^115532432144 is an apocalyptic number.

It is an amenable number.

115532432144 is a deficient number, since it is larger than the sum of its proper divisors (112105624576).

115532432144 is a wasteful number, since it uses less digits than its factorization.

115532432144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122386118 (or 122386112 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 115532432144 its reverse (441234235511), we get a palindrome (556766667655).

The spelling of 115532432144 in words is "one hundred fifteen billion, five hundred thirty-two million, four hundred thirty-two thousand, one hundred forty-four".