108105821776 has 120 divisors (see below), whose sum is σ = 219291589440. Its totient is φ = 51607074816.

The previous prime is 108105821773. The next prime is 108105821821. The reversal of 108105821776 is 677128501801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108105821773) 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, 411048621 + ... + 411048883.

It is an arithmetic number, because the mean of its divisors is an integer number (1827429912).

Almost surely, 2^108105821776 is an apocalyptic number.

108105821776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108105821776 is an abundant number, since it is smaller than the sum of its proper divisors (111185767664).

108105821776 is an equidigital number, since it uses as much as digits as its factorization.

108105821776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 108105821776 in words is "one hundred eight billion, one hundred five million, eight hundred twenty-one thousand, seven hundred seventy-six".