109522698648 has 128 divisors (see below), whose sum is σ = 309608939520. Its totient is φ = 31997496960.

The previous prime is 109522698647. The next prime is 109522698667. The reversal of 109522698648 is 846896225901.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 109522698591 and 109522698600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109522698641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 765465 + ... + 897207.

It is an arithmetic number, because the mean of its divisors is an integer number (2418819840).

Almost surely, 2^109522698648 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 109522698648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154804469760).

109522698648 is an abundant number, since it is smaller than the sum of its proper divisors (200086240872).

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

109522698648 is a wasteful number, since it uses less digits than its factorization.

109522698648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131877 (or 131873 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 109522698648 in words is "one hundred nine billion, five hundred twenty-two million, six hundred ninety-eight thousand, six hundred forty-eight".