115520040424 has 16 divisors (see below), whose sum is σ = 221637287520. Its totient is φ = 56416763760.

The previous prime is 115520040421. The next prime is 115520040439. The reversal of 115520040424 is 424040025511.

It is a junction number, because it is equal to n+sod(n) for n = 115520040392 and 115520040401.

It is not an unprimeable number, because it can be changed into a prime (115520040421) 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, 167906692 + ... + 167907379.

It is an arithmetic number, because the mean of its divisors is an integer number (13852330470).

Almost surely, 2^115520040424 is an apocalyptic number.

It is an amenable number.

115520040424 is a deficient number, since it is larger than the sum of its proper divisors (106117247096).

115520040424 is a wasteful number, since it uses less digits than its factorization.

115520040424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335814120 (or 335814116 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 115520040424 its reverse (424040025511), we get a palindrome (539560065935).

The spelling of 115520040424 in words is "one hundred fifteen billion, five hundred twenty million, forty thousand, four hundred twenty-four".