2001485385851 has 8 divisors (see below), whose sum is σ = 2300633904864. Its totient is φ = 1705642375680.

The previous prime is 2001485385839. The next prime is 2001485385853. The reversal of 2001485385851 is 1585835841002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001485385851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2001485385851.

It is not an unprimeable number, because it can be changed into a prime (2001485385853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 826375910 + ... + 826378331.

It is an arithmetic number, because the mean of its divisors is an integer number (287579238108).

Almost surely, 2^{2001485385851} is an apocalyptic number.

2001485385851 is a deficient number, since it is larger than the sum of its proper divisors (299148519013).

2001485385851 is a wasteful number, since it uses less digits than its factorization.

2001485385851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652754421.

The product of its (nonzero) digits is 1536000, while the sum is 50.

The spelling of 2001485385851 in words is "two trillion, one billion, four hundred eighty-five million, three hundred eighty-five thousand, eight hundred fifty-one".