17838531105 has 16 divisors (see below), whose sum is σ = 29148920064. Its totient is φ = 9311459840.

The previous prime is 17838531071. The next prime is 17838531149. The reversal of 17838531105 is 50113583871.

It is not a de Polignac number, because 17838531105 - 2¹⁴ = 17838514721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12650736 + ... + 12652145.

It is an arithmetic number, because the mean of its divisors is an integer number (1821807504).

Almost surely, 2^17838531105 is an apocalyptic number.

17838531105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

17838531105 is a deficient number, since it is larger than the sum of its proper divisors (11310388959).

17838531105 is a wasteful number, since it uses less digits than its factorization.

17838531105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25302936.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 17838531105 in words is "seventeen billion, eight hundred thirty-eight million, five hundred thirty-one thousand, one hundred five".