188945188125 has 20 divisors (see below), whose sum is σ = 314807879232. Its totient is φ = 100770766000.

The previous prime is 188945188121. The next prime is 188945188129. The reversal of 188945188125 is 521881549881.

It is an interprime number because it is at equal distance from previous prime (188945188121) and next prime (188945188129).

It is not a de Polignac number, because 188945188125 - 2² = 188945188121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188945188121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50383509 + ... + 50387258.

Almost surely, 2^188945188125 is an apocalyptic number.

188945188125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188945188125 is a deficient number, since it is larger than the sum of its proper divisors (125862691107).

188945188125 is an equidigital number, since it uses as much as digits as its factorization.

188945188125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100770790 (or 100770775 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 60.

The spelling of 188945188125 in words is "one hundred eighty-eight billion, nine hundred forty-five million, one hundred eighty-eight thousand, one hundred twenty-five".