1126275644728 has 64 divisors (see below), whose sum is σ = 2394517104000. Its totient is φ = 492334837632.

The previous prime is 1126275644677. The next prime is 1126275644729. The reversal of 1126275644728 is 8274465726211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126275644729) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7886583 + ... + 8028121.

It is an arithmetic number, because the mean of its divisors is an integer number (37414329750).

Almost surely, 2^{1126275644728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126275644728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197258552000).

1126275644728 is an abundant number, since it is smaller than the sum of its proper divisors (1268241459272).

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

1126275644728 is a wasteful number, since it uses less digits than its factorization.

1126275644728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145604 (or 145600 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 55.

The spelling of 1126275644728 in words is "one trillion, one hundred twenty-six billion, two hundred seventy-five million, six hundred forty-four thousand, seven hundred twenty-eight".