1115378684 has 24 divisors (see below), whose sum is σ = 2231724768. Its totient is φ = 477812160.

The previous prime is 1115378647. The next prime is 1115378713. The reversal of 1115378684 is 4868735111.

It is a congruent number.

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, 69482 + ... + 84014.

It is an arithmetic number, because the mean of its divisors is an integer number (92988532).

Almost surely, 2^1115378684 is an apocalyptic number.

1115378684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1115378684 is an abundant number, since it is smaller than the sum of its proper divisors (1116346084).

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

1115378684 is a wasteful number, since it uses less digits than its factorization.

1115378684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17285 (or 17283 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 1115378684 is about 33397.2855783221. The cubic root of 1115378684 is about 1037.0685087005.

The spelling of 1115378684 in words is "one billion, one hundred fifteen million, three hundred seventy-eight thousand, six hundred eighty-four".