188918854109103 has 16 divisors (see below), whose sum is σ = 251911496417760. Its totient is φ = 125936057767296.

The previous prime is 188918854109047. The next prime is 188918854109143. The reversal of 188918854109103 is 301901458819881.

It is not a de Polignac number, because 188918854109103 - 2¹⁰ = 188918854108079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188918854109143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3202147801 + ... + 3202206797.

It is an arithmetic number, because the mean of its divisors is an integer number (15744468526110).

Almost surely, 2^{188918854109103} is an apocalyptic number.

188918854109103 is a deficient number, since it is larger than the sum of its proper divisors (62992642308657).

188918854109103 is a wasteful number, since it uses less digits than its factorization.

188918854109103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124346.

The product of its (nonzero) digits is 19906560, while the sum is 66.

The spelling of 188918854109103 in words is "one hundred eighty-eight trillion, nine hundred eighteen billion, eight hundred fifty-four million, one hundred nine thousand, one hundred three".