115642355 has 4 divisors (see below), whose sum is σ = 138770832. Its totient is φ = 92513880.

The previous prime is 115642337. The next prime is 115642361. The reversal of 115642355 is 553246511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 115642355 - 2⁶ = 115642291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11564231 + ... + 11564240.

It is an arithmetic number, because the mean of its divisors is an integer number (34692708).

Almost surely, 2^115642355 is an apocalyptic number.

115642355 is a deficient number, since it is larger than the sum of its proper divisors (23128477).

115642355 is an equidigital number, since it uses as much as digits as its factorization.

115642355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23128476.

The product of its digits is 18000, while the sum is 32.

The square root of 115642355 is about 10753.7135446319. The cubic root of 115642355 is about 487.1981633640.

Adding to 115642355 its reverse (553246511), we get a palindrome (668888866).

The spelling of 115642355 in words is "one hundred fifteen million, six hundred forty-two thousand, three hundred fifty-five".