1578125203200 has 2916 divisors, whose sum is σ = 7464074534280. Its totient is φ = 327323566080.

The previous prime is 1578125203183. The next prime is 1578125203211. The reversal of 1578125203200 is 23025218751.

1578125203200 is a `hidden beast` number, since 1 + 5 + 7 + 81 + 252 + 0 + 320 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2916).

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 323 ways as a sum of consecutive naturals, for example, 26747884771 + ... + 26747884829.

Almost surely, 2^{1578125203200} is an apocalyptic number.

1578125203200 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 1578125203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732037267140).

1578125203200 is an abundant number, since it is smaller than the sum of its proper divisors (5885949331080).

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

1578125203200 is an frugal number, since it uses more digits than its factorization.

1578125203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 1578125203200 in words is "one trillion, five hundred seventy-eight billion, one hundred twenty-five million, two hundred three thousand, two hundred".