1115593824778 has 16 divisors (see below), whose sum is σ = 1761549552000. Its totient is φ = 528413494752.

The previous prime is 1115593824739. The next prime is 1115593824781. The reversal of 1115593824778 is 8774283955111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90358 + ... + 1496446.

It is an arithmetic number, because the mean of its divisors is an integer number (110096847000).

Almost surely, 2^{1115593824778} is an apocalyptic number.

1115593824778 is a deficient number, since it is larger than the sum of its proper divisors (645955727222).

1115593824778 is a wasteful number, since it uses less digits than its factorization.

1115593824778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426989.

The product of its digits is 16934400, while the sum is 61.

The spelling of 1115593824778 in words is "one trillion, one hundred fifteen billion, five hundred ninety-three million, eight hundred twenty-four thousand, seven hundred seventy-eight".