109512774000 has 480 divisors, whose sum is σ = 438164812800. Its totient is φ = 24972480000.

The previous prime is 109512773957. The next prime is 109512774071. The reversal of 109512774000 is 477215901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75473275 + ... + 75474725.

It is an arithmetic number, because the mean of its divisors is an integer number (912843360).

Almost surely, 2^109512774000 is an apocalyptic number.

109512774000 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 109512774000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219082406400).

109512774000 is an abundant number, since it is smaller than the sum of its proper divisors (328652038800).

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

109512774000 is a wasteful number, since it uses less digits than its factorization.

109512774000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

Adding to 109512774000 its reverse (477215901), we get a palindrome (109989989901).

The spelling of 109512774000 in words is "one hundred nine billion, five hundred twelve million, seven hundred seventy-four thousand".