18815006529005 has 8 divisors (see below), whose sum is σ = 22597623834624. Its totient is φ = 15038927890000.

The previous prime is 18815006528987. The next prime is 18815006529019. The reversal of 18815006529005 is 50092560051881.

It is a happy number.

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

It is not a de Polignac number, because 18815006529005 - 2³² = 18810711561709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634660321 + ... + 1634671830.

It is an arithmetic number, because the mean of its divisors is an integer number (2824702979328).

Almost surely, 2^{18815006529005} is an apocalyptic number.

It is an amenable number.

18815006529005 is a deficient number, since it is larger than the sum of its proper divisors (3782617305619).

18815006529005 is a wasteful number, since it uses less digits than its factorization.

18815006529005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269333307.

The product of its (nonzero) digits is 864000, while the sum is 50.

The spelling of 18815006529005 in words is "eighteen trillion, eight hundred fifteen billion, six million, five hundred twenty-nine thousand, five".