13108895856 has 120 divisors (see below), whose sum is σ = 42518421504. Its totient is φ = 3692626560.

The previous prime is 13108895837. The next prime is 13108895867. The reversal of 13108895856 is 65859880131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20016 + ... + 163151.

Almost surely, 2^13108895856 is an apocalyptic number.

13108895856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13108895856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21259210752).

13108895856 is an abundant number, since it is smaller than the sum of its proper divisors (29409525648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13108895856 is a wasteful number, since it uses less digits than its factorization.

13108895856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183259 (or 183250 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 13108895856 in words is "thirteen billion, one hundred eight million, eight hundred ninety-five thousand, eight hundred fifty-six".