109188820992 has 416 divisors, whose sum is σ = 316178366464. Its totient is φ = 33443020800.

The previous prime is 109188820963. The next prime is 109188821003. The reversal of 109188820992 is 299028881901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 859754433 + ... + 859754559.

Almost surely, 2^109188820992 is an apocalyptic number.

109188820992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109188820992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158089183232).

109188820992 is an abundant number, since it is smaller than the sum of its proper divisors (206989545472).

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

109188820992 is a wasteful number, since it uses less digits than its factorization.

109188820992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 57.

The spelling of 109188820992 in words is "one hundred nine billion, one hundred eighty-eight million, eight hundred twenty thousand, nine hundred ninety-two".