1115668798 has 16 divisors (see below), whose sum is σ = 1748862720. Its totient is φ = 533266776.

The previous prime is 1115668759. The next prime is 1115668811. The reversal of 1115668798 is 8978665111.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133968 + ... + 142051.

It is an arithmetic number, because the mean of its divisors is an integer number (109303920).

Almost surely, 2^1115668798 is an apocalyptic number.

1115668798 is a deficient number, since it is larger than the sum of its proper divisors (633193922).

1115668798 is a wasteful number, since it uses less digits than its factorization.

1115668798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276111.

The product of its digits is 725760, while the sum is 52.

The square root of 1115668798 is about 33401.6286728656. The cubic root of 1115668798 is about 1037.1584159867.

The spelling of 1115668798 in words is "one billion, one hundred fifteen million, six hundred sixty-eight thousand, seven hundred ninety-eight".