109647887331840 has 800 divisors, whose sum is σ = 415246886873280. Its totient is φ = 24536263065600.

The previous prime is 109647887331809. The next prime is 109647887331907. The reversal of 109647887331840 is 48133788746901.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1461719935 + ... + 1461794945.

Almost surely, 2^{109647887331840} is an apocalyptic number.

109647887331840 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 109647887331840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207623443436640).

109647887331840 is an abundant number, since it is smaller than the sum of its proper divisors (305598999541440).

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

109647887331840 is an frugal number, since it uses more digits than its factorization.

109647887331840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75094 (or 75045 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 69.

The spelling of 109647887331840 in words is "one hundred nine trillion, six hundred forty-seven billion, eight hundred eighty-seven million, three hundred thirty-one thousand, eight hundred forty".