1115211255 has 32 divisors (see below), whose sum is σ = 1801294848. Its totient is φ = 589152000.

The previous prime is 1115211247. The next prime is 1115211259. The reversal of 1115211255 is 5521125111.

It is not a de Polignac number, because 1115211255 - 2³ = 1115211247 is a prime.

It is a super-2 number, since 2×1115211255² = 2487392286557350050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115211259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1465075 + ... + 1465835.

It is an arithmetic number, because the mean of its divisors is an integer number (56290464).

Almost surely, 2^1115211255 is an apocalyptic number.

1115211255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115211255 is a deficient number, since it is larger than the sum of its proper divisors (686083593).

1115211255 is a wasteful number, since it uses less digits than its factorization.

1115211255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567.

The product of its digits is 500, while the sum is 24.

The square root of 1115211255 is about 33394.7788583784. The cubic root of 1115211255 is about 1037.0166148058.

Adding to 1115211255 its reverse (5521125111), we get a palindrome (6636336366).

The spelling of 1115211255 in words is "one billion, one hundred fifteen million, two hundred eleven thousand, two hundred fifty-five".