10001001018 has 8 divisors (see below), whose sum is σ = 20002002048. Its totient is φ = 3333667004.

The previous prime is 10001001011. The next prime is 10001001037. The reversal of 10001001018 is 81010010001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

10001001018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 10001000994 and 10001001012.

It is not an unprimeable number, because it can be changed into a prime (10001001011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833416746 + ... + 833416757.

It is an arithmetic number, because the mean of its divisors is an integer number (2500250256).

Almost surely, 2^10001001018 is an apocalyptic number.

10001001018 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.

10001001018 is a wasteful number, since it uses less digits than its factorization.

10001001018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666833508.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10001001018 its reverse (81010010001), we get a palindrome (91011011019).

The spelling of 10001001018 in words is "ten billion, one million, one thousand, eighteen".