1056728999536 has 20 divisors (see below), whose sum is σ = 2339899927792. Its totient is φ = 452883856896.

The previous prime is 1056728999453. The next prime is 1056728999587. The reversal of 1056728999536 is 6359998276501.

It is a super-2 number, since 2×1056728999536² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717540065 + ... + 4717540288.

Almost surely, 2^{1056728999536} is an apocalyptic number.

1056728999536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056728999536 is an abundant number, since it is smaller than the sum of its proper divisors (1283170928256).

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

1056728999536 is an equidigital number, since it uses as much as digits as its factorization.

1056728999536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9435080368 (or 9435080362 counting only the distinct ones).

The product of its (nonzero) digits is 220449600, while the sum is 70.

The spelling of 1056728999536 in words is "one trillion, fifty-six billion, seven hundred twenty-eight million, nine hundred ninety-nine thousand, five hundred thirty-six".