8018194294985 has 48 divisors (see below), whose sum is σ = 11206944910656. Its totient is φ = 5491219612032.

The previous prime is 8018194294961. The next prime is 8018194294987. The reversal of 8018194294985 is 5894924918108.

It is not a de Polignac number, because 8018194294985 - 2¹² = 8018194290889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8018194294987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754506242 + ... + 754516868.

It is an arithmetic number, because the mean of its divisors is an integer number (233478018972).

Almost surely, 2^{8018194294985} is an apocalyptic number.

It is an amenable number.

8018194294985 is a deficient number, since it is larger than the sum of its proper divisors (3188750615671).

8018194294985 is a wasteful number, since it uses less digits than its factorization.

8018194294985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 14255 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 68.

The spelling of 8018194294985 in words is "eight trillion, eighteen billion, one hundred ninety-four million, two hundred ninety-four thousand, nine hundred eighty-five".