1043151220800 has 672 divisors, whose sum is σ = 4103618879360. Its totient is φ = 256247193600.

The previous prime is 1043151220799. The next prime is 1043151220841. The reversal of 1043151220800 is 80221513401.

1043151220800 is a `hidden beast` number, since 1 + 0 + 431 + 5 + 1 + 220 + 8 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 320671974 + ... + 320675226.

Almost surely, 2^{1043151220800} is an apocalyptic number.

1043151220800 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 1043151220800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2051809439680).

1043151220800 is an abundant number, since it is smaller than the sum of its proper divisors (3060467658560).

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

1043151220800 is a wasteful number, since it uses less digits than its factorization.

1043151220800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3847 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 1043151220800 in words is "one trillion, forty-three billion, one hundred fifty-one million, two hundred twenty thousand, eight hundred".