1115113866 has 16 divisors (see below), whose sum is σ = 2230887744. Its totient is φ = 371594624.

The previous prime is 1115113849. The next prime is 1115113873. The reversal of 1115113866 is 6683115111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3990 + ... + 47393.

It is an arithmetic number, because the mean of its divisors is an integer number (139430484).

Almost surely, 2^1115113866 is an apocalyptic number.

1115113866 is an abundant number, since it is smaller than the sum of its proper divisors (1115773878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115113866 is a wasteful number, since it uses less digits than its factorization.

1115113866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005.

The product of its digits is 4320, while the sum is 33.

The square root of 1115113866 is about 33393.3206794413. The cubic root of 1115113866 is about 1036.9864271169.

Adding to 1115113866 its reverse (6683115111), we get a palindrome (7798228977).

The spelling of 1115113866 in words is "one billion, one hundred fifteen million, one hundred thirteen thousand, eight hundred sixty-six".