18048243135 has 32 divisors (see below), whose sum is σ = 31939024320. Its totient is φ = 8645142528.

The previous prime is 18048243107. The next prime is 18048243149. The reversal of 18048243135 is 53134284081.

It is not a de Polignac number, because 18048243135 - 2⁸ = 18048242879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 18048243093 and 18048243102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1243530 + ... + 1257959.

It is an arithmetic number, because the mean of its divisors is an integer number (998094510).

Almost surely, 2^18048243135 is an apocalyptic number.

18048243135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18048243135 is a deficient number, since it is larger than the sum of its proper divisors (13890781185).

18048243135 is a wasteful number, since it uses less digits than its factorization.

18048243135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501547.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 18048243135 in words is "eighteen billion, forty-eight million, two hundred forty-three thousand, one hundred thirty-five".