1131270452280 has 576 divisors, whose sum is σ = 4037329296000. Its totient is φ = 284478241536.

The previous prime is 1131270452237. The next prime is 1131270452321. The reversal of 1131270452280 is 822540721311.

1131270452280 is a `hidden beast` number, since 1 + 1 + 3 + 127 + 0 + 4 + 522 + 8 + 0 = 666.

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

It is a zygodrome in base 3.

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, 1530812151 + ... + 1530812889.

It is an arithmetic number, because the mean of its divisors is an integer number (7009252250).

Almost surely, 2^{1131270452280} is an apocalyptic number.

1131270452280 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 1131270452280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2018664648000).

1131270452280 is an abundant number, since it is smaller than the sum of its proper divisors (2906058843720).

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

1131270452280 is an equidigital number, since it uses as much as digits as its factorization.

1131270452280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 1131270452280 in words is "one trillion, one hundred thirty-one billion, two hundred seventy million, four hundred fifty-two thousand, two hundred eighty".