15484494128256 has 160 divisors (see below), whose sum is σ = 46300006386480. Its totient is φ = 5137035240960.

The previous prime is 15484494128251. The next prime is 15484494128291. The reversal of 15484494128256 is 65282149448451.

15484494128256 is a `hidden beast` number, since 1 + 5 + 4 + 8 + 4 + 494 + 12 + 82 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15484494128193 and 15484494128202.

It is not an unprimeable number, because it can be changed into a prime (15484494128251) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1351426 + ... + 5726721.

Almost surely, 2^{15484494128256} is an apocalyptic number.

15484494128256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15484494128256 is an abundant number, since it is smaller than the sum of its proper divisors (30815512258224).

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

15484494128256 is an equidigital number, since it uses as much as digits as its factorization.

15484494128256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078384 (or 7078363 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 15484494128256 in words is "fifteen trillion, four hundred eighty-four billion, four hundred ninety-four million, one hundred twenty-eight thousand, two hundred fifty-six".