1116615055 has 4 divisors (see below), whose sum is σ = 1339938072. Its totient is φ = 893292040.

The previous prime is 1116615041. The next prime is 1116615079. The reversal of 1116615055 is 5505166111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505166111 = 89 ⋅61855799.

It is not a de Polignac number, because 1116615055 - 2⁵ = 1116615023 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 3 ways as a sum of consecutive naturals, for example, 111661501 + ... + 111661510.

It is an arithmetic number, because the mean of its divisors is an integer number (334984518).

Almost surely, 2^1116615055 is an apocalyptic number.

1116615055 is a deficient number, since it is larger than the sum of its proper divisors (223323017).

1116615055 is an equidigital number, since it uses as much as digits as its factorization.

1116615055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223323016.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1116615055 is about 33415.7905038920. The cubic root of 1116615055 is about 1037.4515558742.

It can be divided in two parts, 111 and 6615055, that added together give a palindrome (6615166).

The spelling of 1116615055 in words is "one billion, one hundred sixteen million, six hundred fifteen thousand, fifty-five".