109187100000 has 864 divisors, whose sum is σ = 435321825120. Its totient is φ = 25728000000.

The previous prime is 109187099981. The next prime is 109187100023. The reversal of 109187100000 is 1781901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 405899866 + ... + 405900134.

It is an arithmetic number, because the mean of its divisors is an integer number (503844705).

Almost surely, 2^109187100000 is an apocalyptic number.

109187100000 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 109187100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217660912560).

109187100000 is an abundant number, since it is smaller than the sum of its proper divisors (326134725120).

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

109187100000 is a wasteful number, since it uses less digits than its factorization.

109187100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

Adding to 109187100000 its reverse (1781901), we get a palindrome (109188881901).

The spelling of 109187100000 in words is "one hundred nine billion, one hundred eighty-seven million, one hundred thousand".