18135329995 has 32 divisors (see below), whose sum is σ = 23166074880. Its totient is φ = 13607550720.

The previous prime is 18135329977. The next prime is 18135329999. The reversal of 18135329995 is 59992353181.

It is not a de Polignac number, because 18135329995 - 2¹⁵ = 18135297227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18135329999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 738271 + ... + 762439.

It is an arithmetic number, because the mean of its divisors is an integer number (723939840).

Almost surely, 2^18135329995 is an apocalyptic number.

18135329995 is a deficient number, since it is larger than the sum of its proper divisors (5030744885).

18135329995 is a wasteful number, since it uses less digits than its factorization.

18135329995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24355.

The product of its digits is 2624400, while the sum is 55.

The spelling of 18135329995 in words is "eighteen billion, one hundred thirty-five million, three hundred twenty-nine thousand, nine hundred ninety-five".