1280232115792 has 40 divisors (see below), whose sum is σ = 2958051851136. Its totient is φ = 524815648896.

The previous prime is 1280232115777. The next prime is 1280232115817. The reversal of 1280232115792 is 2975112320821.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 248489683 + ... + 248494834.

Almost surely, 2^{1280232115792} is an apocalyptic number.

It is an amenable number.

1280232115792 is an abundant number, since it is smaller than the sum of its proper divisors (1677819735344).

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

1280232115792 is a wasteful number, since it uses less digits than its factorization.

1280232115792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496984555 (or 496984549 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 1280232115792 in words is "one trillion, two hundred eighty billion, two hundred thirty-two million, one hundred fifteen thousand, seven hundred ninety-two".