109687864448 has 64 divisors (see below), whose sum is σ = 225660099840. Its totient is φ = 53053056000.

The previous prime is 109687864397. The next prime is 109687864459. The reversal of 109687864448 is 844468786901.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 14165858 + ... + 14173598.

It is an arithmetic number, because the mean of its divisors is an integer number (3525939060).

Almost surely, 2^109687864448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109687864448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112830049920).

109687864448 is an abundant number, since it is smaller than the sum of its proper divisors (115972235392).

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

109687864448 is an equidigital number, since it uses as much as digits as its factorization.

109687864448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357 (or 11345 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 65.

The spelling of 109687864448 in words is "one hundred nine billion, six hundred eighty-seven million, eight hundred sixty-four thousand, four hundred forty-eight".