1011017018718 has 144 divisors (see below), whose sum is σ = 2605660462080. Its totient is φ = 282385014912.

The previous prime is 1011017018717. The next prime is 1011017018807. The reversal of 1011017018718 is 8178107101101.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011017018717) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12909603 + ... + 12987681.

It is an arithmetic number, because the mean of its divisors is an integer number (18094864320).

Almost surely, 2^{1011017018718} is an apocalyptic number.

1011017018718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011017018718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302830231040).

1011017018718 is an abundant number, since it is smaller than the sum of its proper divisors (1594643443362).

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

1011017018718 is a wasteful number, since it uses less digits than its factorization.

1011017018718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78431 (or 78421 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 36.

The spelling of 1011017018718 in words is "one trillion, eleven billion, seventeen million, eighteen thousand, seven hundred eighteen".