108848645781 has 8 divisors (see below), whose sum is σ = 145134094560. Its totient is φ = 72564480432.

The previous prime is 108848645771. The next prime is 108848645803. The reversal of 108848645781 is 187546848801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108848645781 - 2¹³ = 108848637589 is a prime.

It is a super-2 number, since 2×108848645781² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108848645701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101550 + ... + 477503.

It is an arithmetic number, because the mean of its divisors is an integer number (18141761820).

Almost surely, 2^108848645781 is an apocalyptic number.

It is an amenable number.

108848645781 is a deficient number, since it is larger than the sum of its proper divisors (36285448779).

108848645781 is an equidigital number, since it uses as much as digits as its factorization.

108848645781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641715.

The product of its (nonzero) digits is 13762560, while the sum is 60.

The spelling of 108848645781 in words is "one hundred eight billion, eight hundred forty-eight million, six hundred forty-five thousand, seven hundred eighty-one".