18307149671103 has 32 divisors (see below), whose sum is σ = 24859156388352. Its totient is φ = 11980762876800.

The previous prime is 18307149671053. The next prime is 18307149671149. The reversal of 18307149671103 is 30117694170381.

It is not a de Polignac number, because 18307149671103 - 2⁸ = 18307149670847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18307149671203) 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, 484515150 + ... + 484552932.

It is an arithmetic number, because the mean of its divisors is an integer number (776848637136).

Almost surely, 2^{18307149671103} is an apocalyptic number.

18307149671103 is a deficient number, since it is larger than the sum of its proper divisors (6552006717249).

18307149671103 is a wasteful number, since it uses less digits than its factorization.

18307149671103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43055.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 18307149671103 in words is "eighteen trillion, three hundred seven billion, one hundred forty-nine million, six hundred seventy-one thousand, one hundred three".