10000081000018 has 8 divisors (see below), whose sum is σ = 15003460067148. Its totient is φ = 4998927644304.

The previous prime is 10000080999971. The next prime is 10000081000069. The reversal of 10000081000018 is 81000018000001.

It can be written as a sum of positive squares in 2 ways, for example, as 7902412521129 + 2097668478889 = 2811123^2 + 1448333^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 10000080999959 and 10000081000004.

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, 556416621 + ... + 556434592.

Almost surely, 2^{10000081000018} is an apocalyptic number.

10000081000018 is a deficient number, since it is larger than the sum of its proper divisors (5003379067130).

10000081000018 is a wasteful number, since it uses less digits than its factorization.

10000081000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112855708.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10000081000018 its reverse (81000018000001), we get a palindrome (91000099000019).

The spelling of 10000081000018 in words is "ten trillion, eighty-one million, eighteen", and thus it is an aban number and an uban number.