1147427080800 has 2592 divisors, whose sum is σ = 5348452177152. Its totient is φ = 209986560000.

The previous prime is 1147427080771. The next prime is 1147427080819. The reversal of 1147427080800 is 80807247411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 16160944765 + ... + 16160944835.

It is an arithmetic number, because the mean of its divisors is an integer number (2063446056).

Almost surely, 2^{1147427080800} is an apocalyptic number.

1147427080800 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 1147427080800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2674226088576).

1147427080800 is an abundant number, since it is smaller than the sum of its proper divisors (4201025096352).

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

1147427080800 is a wasteful number, since it uses less digits than its factorization.

1147427080800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The spelling of 1147427080800 in words is "one trillion, one hundred forty-seven billion, four hundred twenty-seven million, eighty thousand, eight hundred".