1115706155 has 8 divisors (see below), whose sum is σ = 1340829072. Its totient is φ = 891243808.

The previous prime is 1115706143. The next prime is 1115706161. The reversal of 1115706155 is 5516075111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115706155 - 2⁴ = 1115706139 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161417 + ... + 168186.

It is an arithmetic number, because the mean of its divisors is an integer number (167603634).

Almost surely, 2^1115706155 is an apocalyptic number.

1115706155 is a deficient number, since it is larger than the sum of its proper divisors (225122917).

1115706155 is an equidigital number, since it uses as much as digits as its factorization.

1115706155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330285.

The product of its (nonzero) digits is 5250, while the sum is 32.

The square root of 1115706155 is about 33402.1878774430. The cubic root of 1115706155 is about 1037.1699919115.

The spelling of 1115706155 in words is "one billion, one hundred fifteen million, seven hundred six thousand, one hundred fifty-five".