1126659645648 has 160 divisors (see below), whose sum is σ = 3297876422400. Its totient is φ = 368188913664.

The previous prime is 1126659645613. The next prime is 1126659645733. The reversal of 1126659645648 is 8465469566211.

1126659645648 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 6 + 5 + 9 + 64 + 564 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5159548 + ... + 5373476.

It is an arithmetic number, because the mean of its divisors is an integer number (20611727640).

Almost surely, 2^{1126659645648} is an apocalyptic number.

1126659645648 is a gapful number since it is divisible by the number (18) 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 1126659645648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648938211200).

1126659645648 is an abundant number, since it is smaller than the sum of its proper divisors (2171216776752).

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

1126659645648 is a wasteful number, since it uses less digits than its factorization.

1126659645648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214186 (or 214174 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 1126659645648 in words is "one trillion, one hundred twenty-six billion, six hundred fifty-nine million, six hundred forty-five thousand, six hundred forty-eight".