108643538430000 has 1800 divisors, whose sum is σ = 467676623700000. Its totient is φ = 23523405696000.

The previous prime is 108643538429999. The next prime is 108643538430059. The reversal of 108643538430000 is 34835346801.

108643538430000 is a `hidden beast` number, since 1 + 0 + 86 + 4 + 3 + 538 + 4 + 30 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 11144065126 + ... + 11144074874.

It is an arithmetic number, because the mean of its divisors is an integer number (259820346500).

Almost surely, 2^{108643538430000} is an apocalyptic number.

108643538430000 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 108643538430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233838311850000).

108643538430000 is an abundant number, since it is smaller than the sum of its proper divisors (359033085270000).

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

108643538430000 is an equidigital number, since it uses as much as digits as its factorization.

108643538430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842 (or 9785 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 108643538430000 in words is "one hundred eight trillion, six hundred forty-three billion, five hundred thirty-eight million, four hundred thirty thousand".