1018533395012 has 12 divisors (see below), whose sum is σ = 2037066790080. Its totient is φ = 436514312136.

The previous prime is 1018533394993. The next prime is 1018533395051. The reversal of 1018533395012 is 2105933358101.

1018533395012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18188096312 + ... + 18188096367.

It is an arithmetic number, because the mean of its divisors is an integer number (169755565840).

Almost surely, 2^{1018533395012} is an apocalyptic number.

It is an amenable number.

1018533395012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1018533395012 is a wasteful number, since it uses less digits than its factorization.

1018533395012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36376192690 (or 36376192688 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 1018533395012 in words is "one trillion, eighteen billion, five hundred thirty-three million, three hundred ninety-five thousand, twelve".