1126809606720 has 448 divisors, whose sum is σ = 4239655833600. Its totient is φ = 248089927680.

The previous prime is 1126809606709. The next prime is 1126809606737. The reversal of 1126809606720 is 276069086211.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1126809606720.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85545735 + ... + 85558905.

Almost surely, 2^{1126809606720} is an apocalyptic number.

1126809606720 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 1126809606720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119827916800).

1126809606720 is an abundant number, since it is smaller than the sum of its proper divisors (3112846226880).

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

1126809606720 is a wasteful number, since it uses less digits than its factorization.

1126809606720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666 (or 13656 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 1126809606720 in words is "one trillion, one hundred twenty-six billion, eight hundred nine million, six hundred six thousand, seven hundred twenty".