18135411828 has 48 divisors (see below), whose sum is σ = 42465755136. Its totient is φ = 6023777760.

The previous prime is 18135411803. The next prime is 18135411829. The reversal of 18135411828 is 82811453181.

It is a self number, because there is not a number n which added to its sum of digits gives 18135411828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18135411829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5059725 + ... + 5063307.

It is an arithmetic number, because the mean of its divisors is an integer number (884703232).

Almost surely, 2^18135411828 is an apocalyptic number.

It is an amenable number.

18135411828 is an abundant number, since it is smaller than the sum of its proper divisors (24330343308).

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

18135411828 is a wasteful number, since it uses less digits than its factorization.

18135411828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4962 counting only the distinct ones).

The product of its digits is 61440, while the sum is 42.

The spelling of 18135411828 in words is "eighteen billion, one hundred thirty-five million, four hundred eleven thousand, eight hundred twenty-eight".