109881791700 has 144 divisors (see below), whose sum is σ = 336910311360. Its totient is φ = 27601280000.

The previous prime is 109881791689. The next prime is 109881791711. The reversal of 109881791700 is 7197188901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109881791689) and next prime (109881791711).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 202675 + ... + 510725.

It is an arithmetic number, because the mean of its divisors is an integer number (2339654940).

Almost surely, 2^109881791700 is an apocalyptic number.

109881791700 is a gapful number since it is divisible by the number (10) 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 109881791700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168455155680).

109881791700 is an abundant number, since it is smaller than the sum of its proper divisors (227028519660).

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

109881791700 is a wasteful number, since it uses less digits than its factorization.

109881791700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308138 (or 308131 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 51.

The spelling of 109881791700 in words is "one hundred nine billion, eight hundred eighty-one million, seven hundred ninety-one thousand, seven hundred".