18452812500000 has 726 divisors, whose sum is σ = 68116441476069. Its totient is φ = 4920750000000.

The previous prime is 18452812499987. The next prime is 18452812500137. The reversal of 18452812500000 is 521825481.

It is a perfect power (a 5-th power), and thus also a powerful number.

18452812500000 is a `hidden beast` number, since 1 + 8 + 4 + 528 + 125 + 0 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 10621837101456 + 7830975398544 = 3259116^2 + 2798388^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3037500.

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

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 33750 × 20250 × 27000.

It is an unprimeable number.

It is a polite number, since it can be written in 120 ways as a sum of consecutive naturals, for example, 3690562499998 + ... + 3690562500002.

Almost surely, 2^{18452812500000} is an apocalyptic number.

18452812500000 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 18452812500000

18452812500000 is an abundant number, since it is smaller than the sum of its proper divisors (49663628976069).

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

18452812500000 is an frugal number, since it uses more digits than its factorization.

18452812500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 18452812500000 in words is "eighteen trillion, four hundred fifty-two billion, eight hundred twelve million, five hundred thousand".