1115042255 has 16 divisors (see below), whose sum is σ = 1384501248. Its totient is φ = 861204000.

The previous prime is 1115042221. The next prime is 1115042267. The reversal of 1115042255 is 5522405111.

It is not a de Polignac number, because 1115042255 - 2¹⁰ = 1115041231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58460 + ... + 75150.

It is an arithmetic number, because the mean of its divisors is an integer number (86531328).

Almost surely, 2^1115042255 is an apocalyptic number.

1115042255 is a deficient number, since it is larger than the sum of its proper divisors (269458993).

1115042255 is a wasteful number, since it uses less digits than its factorization.

1115042255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17158.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1115042255 is about 33392.2484268430. The cubic root of 1115042255 is about 1036.9642287188.

Adding to 1115042255 its reverse (5522405111), we get a palindrome (6637447366).

The spelling of 1115042255 in words is "one billion, one hundred fifteen million, forty-two thousand, two hundred fifty-five".