1128356466880 has 56 divisors (see below), whose sum is σ = 2687336725392. Its totient is φ = 451269030912.

The previous prime is 1128356466877. The next prime is 1128356466953. The reversal of 1128356466880 is 886646538211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700734 + ... + 2269186.

Almost surely, 2^{1128356466880} is an apocalyptic number.

1128356466880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128356466880 is an abundant number, since it is smaller than the sum of its proper divisors (1558980258512).

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

1128356466880 is an equidigital number, since it uses as much as digits as its factorization.

1128356466880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574673 (or 574663 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 1128356466880 in words is "one trillion, one hundred twenty-eight billion, three hundred fifty-six million, four hundred sixty-six thousand, eight hundred eighty".