1128456672832 has 28 divisors (see below), whose sum is σ = 2240763388416. Its totient is φ = 563854874240.

The previous prime is 1128456672829. The next prime is 1128456672839. The reversal of 1128456672832 is 2382766548211.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1128456672839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5737888 + ... + 5931295.

It is an arithmetic number, because the mean of its divisors is an integer number (80027263872).

Almost surely, 2^{1128456672832} is an apocalyptic number.

It is an amenable number.

1128456672832 is a deficient number, since it is larger than the sum of its proper divisors (1112306715584).

1128456672832 is a wasteful number, since it uses less digits than its factorization.

1128456672832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11670706 (or 11670696 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 1128456672832 in words is "one trillion, one hundred twenty-eight billion, four hundred fifty-six million, six hundred seventy-two thousand, eight hundred thirty-two".