2001030425856 has 1296 divisors, whose sum is σ = 7571303236224. Its totient is φ = 497796710400.

The previous prime is 2001030425839. The next prime is 2001030425861. The reversal of 2001030425856 is 6585240301002.

2001030425856 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 0 + 30 + 42 + 585 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2001030425856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 20629179600 + ... + 20629179696.

Almost surely, 2^{2001030425856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001030425856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3785651618112).

2001030425856 is an abundant number, since it is smaller than the sum of its proper divisors (5570272810368).

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

2001030425856 is an equidigital number, since it uses as much as digits as its factorization.

2001030425856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 2001030425856 its reverse (6585240301002), we get a palindrome (8586270726858).

The spelling of 2001030425856 in words is "two trillion, one billion, thirty million, four hundred twenty-five thousand, eight hundred fifty-six".