108887751308609 has 24 divisors (see below), whose sum is σ = 134753100566400. Its totient is φ = 86152270508928.

The previous prime is 108887751308603. The next prime is 108887751308663. The reversal of 108887751308609 is 906803157788801.

It is not a de Polignac number, because 108887751308609 - 2⁴ = 108887751308593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108887751308603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195448004 + ... + 196004330.

It is an arithmetic number, because the mean of its divisors is an integer number (5614712523600).

Almost surely, 2^{108887751308609} is an apocalyptic number.

It is an amenable number.

108887751308609 is a deficient number, since it is larger than the sum of its proper divisors (25865349257791).

108887751308609 is a wasteful number, since it uses less digits than its factorization.

108887751308609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721809 (or 721796 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 71.

The spelling of 108887751308609 in words is "one hundred eight trillion, eight hundred eighty-seven billion, seven hundred fifty-one million, three hundred eight thousand, six hundred nine".