1115534055 has 16 divisors (see below), whose sum is σ = 1785782880. Its totient is φ = 594642048.

The previous prime is 1115534051. The next prime is 1115534059. The reversal of 1115534055 is 5504355111.

It is an interprime number because it is at equal distance from previous prime (1115534051) and next prime (1115534059).

It is not a de Polignac number, because 1115534055 - 2² = 1115534051 is a prime.

It is a super-3 number, since 3×1115534055³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115534051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12109 + ... + 48761.

It is an arithmetic number, because the mean of its divisors is an integer number (111611430).

Almost surely, 2^1115534055 is an apocalyptic number.

1115534055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115534055 is a deficient number, since it is larger than the sum of its proper divisors (670248825).

1115534055 is a wasteful number, since it uses less digits than its factorization.

1115534055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38690.

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 1115534055 is about 33399.6115995381. The cubic root of 1115534055 is about 1037.1166606249.

Adding to 1115534055 its reverse (5504355111), we get a palindrome (6619889166).

The spelling of 1115534055 in words is "one billion, one hundred fifteen million, five hundred thirty-four thousand, fifty-five".