115640104 has 16 divisors (see below), whose sum is σ = 218534400. Its totient is φ = 57364272.

The previous prime is 115640047. The next prime is 115640111. The reversal of 115640104 is 401046511.

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, 55894 + ... + 57925.

It is an arithmetic number, because the mean of its divisors is an integer number (13658400).

Almost surely, 2^115640104 is an apocalyptic number.

It is an amenable number.

115640104 is a deficient number, since it is larger than the sum of its proper divisors (102894296).

115640104 is a wasteful number, since it uses less digits than its factorization.

115640104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113952 (or 113948 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 115640104 is about 10753.6088826031. The cubic root of 115640104 is about 487.1950022091.

Adding to 115640104 its reverse (401046511), we get a palindrome (516686615).

The spelling of 115640104 in words is "one hundred fifteen million, six hundred forty thousand, one hundred four".