115111432 has 32 divisors (see below), whose sum is σ = 224167680. Its totient is φ = 55356480.

The previous prime is 115111429. The next prime is 115111433. The reversal of 115111432 is 234111511.

It is not an unprimeable number, because it can be changed into a prime (115111433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41563 + ... + 44245.

It is an arithmetic number, because the mean of its divisors is an integer number (7005240).

Almost surely, 2^115111432 is an apocalyptic number.

It is an amenable number.

115111432 is a deficient number, since it is larger than the sum of its proper divisors (109056248).

115111432 is a wasteful number, since it uses less digits than its factorization.

115111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893 (or 2889 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 115111432 is about 10728.9995805760. Note that the first 3 decimals coincide. The cubic root of 115111432 is about 486.4514312716.

Adding to 115111432 its reverse (234111511), we get a palindrome (349222943).

The spelling of 115111432 in words is "one hundred fifteen million, one hundred eleven thousand, four hundred thirty-two".