1285180042718 has 32 divisors (see below), whose sum is σ = 2269295626752. Its totient is φ = 538164280800.

The previous prime is 1285180042717. The next prime is 1285180042721. The reversal of 1285180042718 is 8172400815821.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285180042717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322978 + ... + 4610693.

It is an arithmetic number, because the mean of its divisors is an integer number (70915488336).

Almost surely, 2^{1285180042718} is an apocalyptic number.

1285180042718 is a deficient number, since it is larger than the sum of its proper divisors (984115584034).

1285180042718 is a wasteful number, since it uses less digits than its factorization.

1285180042718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8934200.

The product of its (nonzero) digits is 286720, while the sum is 47.

The spelling of 1285180042718 in words is "one trillion, two hundred eighty-five billion, one hundred eighty million, forty-two thousand, seven hundred eighteen".