109128310198192 has 80 divisors (see below), whose sum is σ = 220952971586880. Its totient is φ = 52146959155200.

The previous prime is 109128310198123. The next prime is 109128310198199. The reversal of 109128310198192 is 291891013821901.

It is not an unprimeable number, because it can be changed into a prime (109128310198199) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102750192 + ... + 103806832.

It is an arithmetic number, because the mean of its divisors is an integer number (2761912144836).

Almost surely, 2^{109128310198192} 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 109128310198192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110476485793440).

109128310198192 is an abundant number, since it is smaller than the sum of its proper divisors (111824661388688).

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

109128310198192 is a wasteful number, since it uses less digits than its factorization.

109128310198192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058942 (or 1058936 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 55.

The spelling of 109128310198192 in words is "one hundred nine trillion, one hundred twenty-eight billion, three hundred ten million, one hundred ninety-eight thousand, one hundred ninety-two".