108810394561 has 8 divisors (see below), whose sum is σ = 118735927200. Its totient is φ = 98890475040.

The previous prime is 108810394507. The next prime is 108810394591. The reversal of 108810394561 is 165493018801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108810394561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108810394591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362691 + ... + 1440328.

It is an arithmetic number, because the mean of its divisors is an integer number (14841990900).

Almost surely, 2^108810394561 is an apocalyptic number.

108810394561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

108810394561 is a deficient number, since it is larger than the sum of its proper divisors (9925532639).

108810394561 is a wasteful number, since it uses less digits than its factorization.

108810394561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806559.

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 108810394561 in words is "one hundred eight billion, eight hundred ten million, three hundred ninety-four thousand, five hundred sixty-one".