18348733711 has 8 divisors (see below), whose sum is σ = 22876343424. Its totient is φ = 14297714520.

The previous prime is 18348733703. The next prime is 18348733717. The reversal of 18348733711 is 11733784381.

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

It is a cyclic number.

It is not a de Polignac number, because 18348733711 - 2³ = 18348733703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348733717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119147545 + ... + 119147698.

It is an arithmetic number, because the mean of its divisors is an integer number (2859542928).

Almost surely, 2^18348733711 is an apocalyptic number.

18348733711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

18348733711 is a deficient number, since it is larger than the sum of its proper divisors (4527609713).

18348733711 is a wasteful number, since it uses less digits than its factorization.

18348733711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238295261.

The product of its digits is 338688, while the sum is 46.

The spelling of 18348733711 in words is "eighteen billion, three hundred forty-eight million, seven hundred thirty-three thousand, seven hundred eleven".