1513782143818 has 32 divisors (see below), whose sum is σ = 2691579858048. Its totient is φ = 624979800000.

The previous prime is 1513782143813. The next prime is 1513782143903. The reversal of 1513782143818 is 8183412873151.

It is not an unprimeable number, because it can be changed into a prime (1513782143813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14414808 + ... + 14519443.

It is an arithmetic number, because the mean of its divisors is an integer number (84111870564).

Almost surely, 2^{1513782143818} is an apocalyptic number.

1513782143818 is a deficient number, since it is larger than the sum of its proper divisors (1177797714230).

1513782143818 is a wasteful number, since it uses less digits than its factorization.

1513782143818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28934398.

The product of its digits is 1290240, while the sum is 52.

The spelling of 1513782143818 in words is "one trillion, five hundred thirteen billion, seven hundred eighty-two million, one hundred forty-three thousand, eight hundred eighteen".