1133064521280 has 784 divisors, whose sum is σ = 4179175003584. Its totient is φ = 292253184000.

The previous prime is 1133064521279. The next prime is 1133064521357. The reversal of 1133064521280 is 821254603311.

1133064521280 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 0 + 645 + 2 + 1 + 2 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2166471099 + ... + 2166471621.

Almost surely, 2^{1133064521280} is an apocalyptic number.

1133064521280 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 1133064521280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089587501792).

1133064521280 is an abundant number, since it is smaller than the sum of its proper divisors (3046110482304).

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

1133064521280 is an equidigital number, since it uses as much as digits as its factorization.

1133064521280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1133064521280 in words is "one trillion, one hundred thirty-three billion, sixty-four million, five hundred twenty-one thousand, two hundred eighty".