2851361989200 has 240 divisors, whose sum is σ = 10589986899840. Its totient is φ = 727303864320.

The previous prime is 2851361989153. The next prime is 2851361989213. The reversal of 2851361989200 is 29891631582.

2851361989200 is a `hidden beast` number, since 2 + 8 + 5 + 13 + 619 + 8 + 9 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (54).

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 47 ways as a sum of consecutive naturals, for example, 5491057 + ... + 5987856.

It is an arithmetic number, because the mean of its divisors is an integer number (44124945416).

Almost surely, 2^{2851361989200} is an apocalyptic number.

2851361989200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2851361989200 is an abundant number, since it is smaller than the sum of its proper divisors (7738624910640).

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

2851361989200 is a wasteful number, since it uses less digits than its factorization.

2851361989200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11478963 (or 11478946 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 2851361989200 in words is "two trillion, eight hundred fifty-one billion, three hundred sixty-one million, nine hundred eighty-nine thousand, two hundred".