1115112055 has 16 divisors (see below), whose sum is σ = 1387308384. Its totient is φ = 859832320.

The previous prime is 1115112049. The next prime is 1115112079. The reversal of 1115112055 is 5502115111.

It is not a de Polignac number, because 1115112055 - 2¹⁹ = 1114587767 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, 15754 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (86706774).

Almost surely, 2^1115112055 is an apocalyptic number.

1115112055 is a deficient number, since it is larger than the sum of its proper divisors (272196329).

1115112055 is an equidigital number, since it uses as much as digits as its factorization.

1115112055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65666.

The product of its (nonzero) digits is 250, while the sum is 22.

The square root of 1115112055 is about 33393.2935632291. The cubic root of 1115112055 is about 1036.9858657442.

Adding to 1115112055 its reverse (5502115111), we get a palindrome (6617227166).

The spelling of 1115112055 in words is "one billion, one hundred fifteen million, one hundred twelve thousand, fifty-five".