18895700645125 has 8 divisors (see below), whose sum is σ = 23581834405272. Its totient is φ = 15116560516000.

The previous prime is 18895700645117. The next prime is 18895700645209. The reversal of 18895700645125 is 52154600759881.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114796959489 + 18780903685636 = 338817^2 + 4333694^2 .

It is not a de Polignac number, because 18895700645125 - 2³ = 18895700645117 is a prime.

It is a super-3 number, since 3×18895700645125³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75582802456 + ... + 75582802705.

It is an arithmetic number, because the mean of its divisors is an integer number (2947729300659).

Almost surely, 2^{18895700645125} is an apocalyptic number.

It is an amenable number.

18895700645125 is a deficient number, since it is larger than the sum of its proper divisors (4686133760147).

18895700645125 is an equidigital number, since it uses as much as digits as its factorization.

18895700645125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151165605176 (or 151165605166 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 61.

The spelling of 18895700645125 in words is "eighteen trillion, eight hundred ninety-five billion, seven hundred million, six hundred forty-five thousand, one hundred twenty-five".