1128061576720 has 80 divisors (see below), whose sum is σ = 2915605389312. Its totient is φ = 403079063040.

The previous prime is 1128061576637. The next prime is 1128061576783. The reversal of 1128061576720 is 276751608211.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17462512 + ... + 17526991.

Almost surely, 2^{1128061576720} is an apocalyptic number.

1128061576720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128061576720 is an abundant number, since it is smaller than the sum of its proper divisors (1787543812592).

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

1128061576720 is a wasteful number, since it uses less digits than its factorization.

1128061576720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34989560 (or 34989554 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

It can be divided in two parts, 1128061 and 576720, that added together give a triangular number (1704781 = T₁₈₄₆).

The spelling of 1128061576720 in words is "one trillion, one hundred twenty-eight billion, sixty-one million, five hundred seventy-six thousand, seven hundred twenty".