109611697888 has 96 divisors (see below), whose sum is σ = 271821166848. Its totient is φ = 42265497600.

The previous prime is 109611697883. The next prime is 109611697891. The reversal of 109611697888 is 888796116901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109611697883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9703 + ... + 468313.

It is an arithmetic number, because the mean of its divisors is an integer number (2831470488).

Almost surely, 2^109611697888 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 109611697888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135910583424).

109611697888 is an abundant number, since it is smaller than the sum of its proper divisors (162209468960).

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

109611697888 is a wasteful number, since it uses less digits than its factorization.

109611697888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458736 (or 458728 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 64.

The spelling of 109611697888 in words is "one hundred nine billion, six hundred eleven million, six hundred ninety-seven thousand, eight hundred eighty-eight".